CN105841864B - The device for pressure measurement of steel rail grinding head - Google Patents

Abstract

The invention provides a pressure measuring device for a rail grinding head. The device mainly includes: a pressure measuring head assembly, two sets of rotating shaft groups and a base assembly, and the inner shaft seat of the pressure measuring head assembly is connected with the rotating shaft of the rotating shaft group through a shaft hole. The shaft fixing plate and the adjusting shaft sleeve realize the axial positioning of the inner shaft seat on the rotating shaft. The rotating shaft of the rotating shaft group is connected with the shaft seat of the base assembly to realize the shaft hole connection. The shaft fixing plate and the angle adjusting disc realize the axial positioning of the shaft seat on the rotating shaft. The device of the embodiment of the present invention effectively solves the need of measuring the actual pressure of the grinding wheel on the rail head when the grinding head of the rail grinding technology test bench forms different angles with the vertical line, and can measure the grinding wheel of the grinding head The measured value of the real pressure applied to the rail head under different angles can provide decision-making basis for the control of the pressure applied by the grinding head, the correction of the grinding pressure, and the determination of the grinding process parameters.

Description

Pressure measuring device for rail grinding head

technical field

The invention relates to the technical field of pressure measurement of a rail grinding head, in particular to a pressure measuring device for a rail grinding head.

Background technique

At present, during the grinding process of the rail profile, the pressure exerted by the grinding head of the test bench on the rail head is realized through a solenoid valve and a preset control software. Since the axis of the grinding head and the vertical line of the rail need to be at different angles (changing within the range of -25° to 80°) during the grinding process, the self-weight of the grinding wheel, the grinding motor and the moving mechanism of the grinding head, as well as the manufacturing and The existence of factors such as assembly errors makes it difficult to control the grinding pressure applied to the rail head. Although the corresponding pressure value can be obtained through theoretical calculation, the real data can only be obtained through actual measurement.

At present, in the prior art, there is no solution for effectively measuring the real pressure exerted by the rail grinding head on the rail head when the rail grinding head forms different angles with the vertical line.

Contents of the invention

An embodiment of the present invention provides a pressure measuring device for a rail grinding head, so as to effectively measure the real pressure exerted by the rail grinding head on the rail head.

The present invention provides following scheme:

A pressure measuring device for a rail grinding head, comprising: a pressure measuring head assembly (10), 2 sets of rotating shaft groups (9) and a base assembly (5), the pressure measuring head assembly (10) being installed on the base assembly ( 5), install a set of rotating shaft groups (9) on both sides of the base assembly (5), the rotating shaft group (9) and the base assembly (5) are connected through shaft holes, and the pressure gauge The head assembly (10) and the base assembly (5) realize shaft-hole connection through the shaft group (9).

Further, the pressure measuring head assembly (10) includes: 4 pressure sensors (16-1~4), 4 limit blocks (17-1~4), 8 sets of screw groups (18-1~8 ), 8 sets of bolt groups (19-1～8), 4 hexagon socket screws (20-1～4), sensor seat plate (21), 4 hexagon socket screws (22-1～4), 2 internal hexagon screws Axle seat (23-1,2) and grinding wheel contact plate (24).

Further, the grinding wheel contact plate (24) is screwed to the 4 pressure sensors (16-1~4) through hexagon socket screws (20-1~4), and the 4 pressure sensors (16-1~4) are screwed together. 1-4) form a screw connection with the sensor seat plate (21) through hexagon socket head screws (22-1-4).

Further, the four limiting blocks (17-1~4) are fixed on the sensor seat plate (21) through bolt groups (19-1~8), and the four limiting blocks (17-1 ˜4) are respectively arranged at a certain distance from the 4 pressure sensors (16-1˜4), so that the rotation of the 4 pressure sensors (16-1˜4) is limited.

Further, the two inner shaft seats (23-1, 2) are fixed under the sensor seat plate (21) through screw groups (18-1-8).

Further, the base assembly (5) includes: a general bottom plate (3) connected with anchor bolts, 2 shaft seats (6-1, 2), 4 angle positioning pins (7-1~4) and 8 sets of screw groups (8-1~8).

Further, the two sets of rotating shaft groups (9) include: 4 fixed shaft plates (11-1~4), 8 sets of screw groups (12-1~8), 2 rotating shafts (13-1, 2 ), 2 adjusting bushings (14-1, 2) and 2 angle adjusting discs (15-1, 2).

Further, the two shaft seats (6-1, 2) are fixed on the general bottom plate (3) through screw groups (8-1~8), and the angle positioning pins (7-1~4) pass through Angle adjustment disc (15-1,2), the angle adjustment disc (15-1,2) is fixed on the axle seat (6-1,2).

Further, the two shaft seats (6-1, 2) are respectively connected with the two rotating shafts (13-1, 2) through their shaft holes to form shaft holes, and the fixed shaft plates (11-1~4) and The angle adjustment discs (15-1, 2) realize the axial positioning of the axle seat (6-1, 2) on the rotating shaft (6-1, 2);

The fixed axis plate (11-1～4) fixes the angle adjustment plate (15-1, 2) on the shaft seat (6-1, 2) through the screw group (12-1～8), and realizes that the rotating shaft (13-1 , 2) Final axial positioning of the outer end.

Further, the two inner shaft seats (23-1, 2) are respectively connected to the two rotating shafts (13-1, 2) through their shaft holes to form shaft holes, and the fixed shaft plates (11-1~4) are used to and the adjusting bushing (14-1, 2) to realize the axial positioning of the inner shaft seat (23-1, 2) on the rotating shaft (13-1, 2), and the fixed shaft plate (11-1～4) is passed through the screw group (12-1～8) are fixed on the inner shaft seat (23-1, 2) to realize the final axial positioning of the inner end of the rotating shaft (13-1, 2).

It can be seen from the technical solutions provided by the above-mentioned embodiments of the present invention that the device of the embodiments of the present invention effectively solves the problem of the grinding head of the rail grinding technology test bench. The actual pressure measurement of the rail head can measure the real pressure exerted by the grinding wheel on the rail head at different angles. The measured value can be used for the control of the pressure applied by the grinding head, the correction of the grinding pressure, and the grinding process parameters. provide a basis for decision-making.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Figure 1 is a diagram of the relative relationship between the grinding head and the pressure measuring device of the rail grinding head: this figure mainly shows the relative positional relationship between the grinding head part 1 and the pressure measuring device 2 of the rail grinding head when they are in use.

Figure 2 is a diagram of the pressure measuring device of the rail grinding head: this figure mainly shows that the pressure measuring device 2 of the rail grinding head is mainly composed of a sensor assembly 4 and a base assembly 5 .

Figure 3 Base Assembly Diagram: This figure mainly shows the components that make up the base assembly.

Figure 4 Sensor component diagram: This figure mainly shows the components that make up the sensor component.

Figure 5 Shaft Group Diagram: This diagram mainly shows the parts and components that make up the shaft group.

Figure 6 Pressure gauge assembly diagram: This figure mainly shows the components that make up the pressure gauge assembly.

Figure 7 Assembly drawing of the grinding head pressure measuring device: This sectional view is used to show the assembly relationship between the various components.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and/or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Additionally, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless defined as herein explain.

In order to facilitate the understanding of the embodiments of the present invention, several specific embodiments will be taken as examples for further explanation below in conjunction with the accompanying drawings, and each embodiment does not constitute a limitation to the embodiments of the present invention.

Figure 1 is a schematic diagram of the relative relationship between a rail grinding head and the pressure measuring device of the rail grinding head provided by the embodiment of the present invention, which mainly shows that when the rail grinding head part 1 and the pressure measuring device 2 of the rail grinding head are in use, they relative positional relationship. The measuring device 2 is located at the lower part of the rail grinding head part 1, and the measuring device 2 is connected with the anchor bolts on the general bottom plate 3.

FIG. 2 is a structural diagram of a pressure measuring device for a rail grinding head provided by an embodiment of the present invention, which mainly shows that the pressure measuring device 2 for a rail grinding head is mainly composed of a sensor assembly 4 and a base assembly 5 .

Fig. 3 is the base assembly drawing of the pressure measuring device of a kind of rail grinding head that the embodiment of the present invention provides, and this figure mainly shows the component situation that constitutes base assembly 5, comprises: total bottom plate (connected with anchor bolt) 3; Seat 6-1,2; Angle positioning pin 7-1～4; Screw group (screw, flat washer and spring washer) 8-1～8.

FIG. 4 is a diagram of a sensor assembly provided by an embodiment of the present invention, which mainly shows the components of the sensor assembly, including: shaft groups 9 - 1 , 2 ; and a pressure measuring head assembly 10 .

Fig. 5 is a diagram of a sensor assembly provided by the embodiment of the present invention, which mainly shows the parts and components that constitute the shaft group, mainly including: shaft fixing plates 11-1-4; screw group (screws, flat washers and spring washers) 12-1～8; Rotating shaft 13-1,2; Adjusting shaft sleeve 14-1,2; Angle adjustment disc 15-1,2.

Fig. 6 is a diagram of a pressure measuring head assembly provided by the embodiment of the present invention, which mainly shows the parts and components that constitute the pressure measuring head assembly, mainly including: pressure sensors 16-1~4; limit blocks 17-1~4 ;Screw group (screws, flat washers and spring washers) 18-1~8; bolt group (bolts, flat washers and spring washers) 19-1~8; hexagon socket screws 20-1~4; sensor seat plate 21; Hex screw 22-1～4; Inner axle seat 23-1, 2; Grinding wheel contact plate 24.

Fig. 7 is an assembly diagram of a grinding head pressure measuring device provided by the embodiment of the present invention, the cross-sectional view is used to indicate the assembly relationship between the parts, mainly including: the total base plate (connected with the anchor bolts) 3; the shaft seat 6-1, 2; angle positioning pin 7-1 ~ 4; screw group (screw, flat washer and spring washer) 8-1 ~ 8; fixed axis plate 11-1 ~ 4; screw group (screw, flat washer and spring washer) pad) 12-1～8; rotating shaft 13-1, 2; adjusting bushing 14-1, 2; angle adjustment plate 15-1, 2; pressure sensor 16-1～4; limit block 17-1～4; Screw group (screw, flat washer and spring washer) 18-1~8; bolt group (bolt, flat washer and spring washer) 19-1~8; inner hexagon screw 20-1~4; sensor seat plate 21; inner hexagon Screws 22-1～4; Inner shaft seats 23-1, 2; Grinding wheel contact plate 24.

The pressure measuring head assembly (10) is installed on the base assembly (5), and a set of rotating shaft groups (9) are respectively installed on both sides of the base assembly (5), and the rotating shaft groups (9) and The base assembly (5) is connected through a shaft hole, and the pressure measuring head assembly (10) and the base assembly (5) are connected through the shaft group (9), that is, the pressure measuring head assembly (10) The shaft holes are connected with the shaft seat (6) of the base assembly 5 through the shafts (13) of the two shaft groups (9).

Figures 1 to 7 show the main composition, structure and installation relationship of the pressure measuring device of the rail grinding head. The pressure measuring device of the rail grinding head includes: a total base plate (3); a shaft seat (6); an angle positioning pin (7); Screw group (screw, flat washer and spring washer) (8); fixed shaft plate (11); screw group (screw, flat washer and spring washer) (12); rotating shaft (13); adjusting bushing (14); angle Adjusting plate (15); pressure sensor (16); limit block (17); screw group (screw, flat washer and spring washer) (18); bolt group (bolt, flat washer and spring washer) (19); Hexagon screw (20); sensor seat plate (21); inner hexagon screw (22); inner shaft seat (23); grinding wheel contact plate (24).

The connection relationship between the parts of the pressure measuring device of the above-mentioned rail grinding head includes: as shown in Figure 6 and Figure 7, the described grinding wheel contact plate (24) and 4 pressure sensors (16), through the hexagon socket head cap screw ( 20) (4 in total) to form a screw connection. Described pressure sensor (16) is existing product.

As shown in Figures 6 and 7, the four pressure sensors (16) are screwed to the sensor seat plate (21) through hexagon socket head screws (22) (4 in total). 4 limit blocks (17) are fixed on the sensor seat plate (21) by bolt groups (screws, flat washers and spring washers) (19) (8 groups in total), and the 4 limit blocks (17-1 ~4) are respectively arranged at a certain distance from the four pressure sensors (16-1~4), so that the rotation of the four pressure sensors (16) is restricted.

As shown in Figures 6 and 7, the two inner shaft seats (23) are fixed under the sensor seat plate (21) by screw groups (screws, flat washers and spring washers) (18) (8 groups in total) .

As shown in Figures 5, 6 and 7, the two inner shaft seats (23) are respectively connected to the two rotating shafts (13) through their shaft holes to form shaft holes, and the fixed shaft plate (11) and the adjustment shaft sleeve are used (14) Realize the axial positioning of the inner shaft seat (23) on the rotating shaft (13). The shaft fixing plate (11) is fixed to the inner shaft seat (23) by 2 sets of screw groups (screws, flat washers and spring washers) (12), so as to realize the final axial positioning of the inner end of the rotating shaft (13).

As shown in Figures 3, 5 and 7, the two shaft seats (6) are respectively connected to the two rotating shafts (13) through their shaft holes to form shaft holes, and the fixed shaft plate (11) and the angle adjustment plate ( 15) Axial positioning of the shaft seat (6) on the rotating shaft (13) is realized. The fixed shaft plate (11) fixes the angle adjustment disc (15) on the shaft seat (6) through 2 sets of screw groups (screws, flat washers and spring washers) (12), so as to realize the final axial positioning of the outer end of the rotating shaft (13) .

As shown in Fig. 3 and Fig. 7, the two shaft seats (6) are fixed on the total bottom plate (3) by screw groups (screws, flat washers and spring washers) (8) (8 groups in total). The angle positioning pin (7) passes through the angle adjustment disc (15), and the angle adjustment disc (15) is fixed on the shaft seat (6); each angle adjustment disc (15) is fixed with 2 angle positioning pins (7).

When measuring or correcting the pressure of the grinding head, first fix the total bottom plate (3) on the ground or the anchor bolts on the frame, and adjust the grinding wheel contact plate (24) so that the surface of the grinding wheel contact plate (24) is in contact with the grinding wheel. The cutting surface is parallel, and then the angle adjustment disc (15) is fixed on the shaft seat (6) using the angle positioning pin (7), and the pressure of the falling rail grinding head can be measured.

To sum up, the device of the embodiment of the present invention effectively solves the requirement of measuring the actual pressure of the grinding head on the rail head when the grinding head of the rail grinding technology test bench forms different angles with the vertical line. Measure the real pressure exerted by the grinding wheel of the grinding head on the rail head at different angles. The measured value can provide decision-making basis for the control of the pressure applied by the grinding head, the correction of the grinding pressure, and the determination of the grinding process parameters.

The device of the embodiment of the present invention has a simple structure, convenient installation, use and maintenance, and has been proved to have a good cost performance through actual use, and can be applied to the measurement and correction of the actual pressure of the rail grinding head acting on the rail surface. At the same time, by using the device of the embodiment of the present invention, the pressure value applied by the grinding head to the rail head can also be calibrated. Also do not see the report that solves this problem.

Those skilled in the art can understand that the accompanying drawing is only a schematic diagram of an embodiment, and the modules or processes in the accompanying drawing are not necessarily necessary for implementing the present invention.

It can be known from the above description of the implementation manners that those skilled in the art can clearly understand that the present invention can be implemented by means of software plus necessary general hardware units. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in storage media, such as ROM/RAM, disk , CD, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in various embodiments or some parts of the embodiments of the present invention.

Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device or system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for relevant parts, refer to part of the description of the method embodiments. The device and system embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, It can be located in one place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without creative effort.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (9)

1. a kind of device for pressure measurement of steel rail grinding head characterized by comprising pressure detector component (10), 2 sets of shaft groups (9) and base assembly (5), the pressure detector component (10) is installed on the upper surface of described base assembly (5), in the pedestal group 1 set of shaft group (9) is installed in the two sides of part (5) respectively, and the shaft group (9) is connected with the base assembly (5) by axis hole, institute It states pressure detector component (10) and realizes that axis hole connects by the shaft group (9) with the base assembly (5)；The pressure is surveyed Head assembly (10) includes: 4 pressure sensors (16-1~4), 4 limited blocks (17-1~4), 8 sets of screw groups (18-1~8), 8 Cover bolt group (19-1~8), 4 first group of soket head cap screws (20-1~4), sensor seat board (21), hexagonal in 4 second group Screw (22-1~4), 2 interior axle beds (23-1,2) and grinding wheel contact plate (24).

2. the device for pressure measurement of steel rail grinding head according to claim 1, which is characterized in that the grinding wheel contact plate (24) screw is formed by described 4 first group of soket head cap screws (20-1~4) with 4 pressure sensors (16-1~4) to connect, 4 pressure sensors (16-1~4) and sensor seat board (21) pass through described 4 second group of soket head cap screw (22-1 ~4) screw connection is formed.

3. the device for pressure measurement of steel rail grinding head according to claim 1, which is characterized in that 4 limited blocks (17-1~4) are fixed on sensor seat board (21) by bolt group (19-1~8), 4 limited blocks (17-1~4) point It is not set as 4 pressure sensor (16-1~4) certain distances of distance, is able to 4 pressure sensor (16-1~4) rotations Limitation.

4. the device for pressure measurement of steel rail grinding head according to claim 1, which is characterized in that 2 interior axle beds (23-1,2) is fixed under sensor seat board (21) by screw group (18-1~8).

5. the device for pressure measurement of steel rail grinding head according to claim 1, which is characterized in that the base assembly It (5) include: the total bottom plate (3) being connected with foundation bolt, 2 axle beds (6-1,2), 4 angle positioning pins (7-1~4) and 8 sets of spiral shells Nail group (8-1~8).

6. the device for pressure measurement of steel rail grinding head according to claim 5, which is characterized in that 2 sets of shaft groups It (9) altogether include: 4 dead axle plates (11-1~4), 8 sets of screw groups (12-1~8), 2 shafts (13-1,2), 2 adjustment axle sleeves (14-1,2) and 2 angle adjustment plates (15-1,2).

7. the device for pressure measurement of steel rail grinding head according to claim 6, which is characterized in that 2 axle bed (6- 1,2) it by screw group (8-1~8) is fixed on total bottom plate (3) on, the angle positioning pin (7-1~4) passes through angle adjustment plate Angle adjustment plate (15-1,2) is fixed on axle bed (6-1,2) by (15-1,2).

8. the device for pressure measurement of steel rail grinding head according to claim 6, which is characterized in that 2 axle bed (6- 1,2) it by its axis hole respectively with 2 shafts (13-1,2) forms axis hole to connect, be adjusted using dead axle plate (11-1~4) and angle Disk (15-1,2) realizes the axially position of axle bed (6-1,2) on shaft (6-1,2)；

Angle adjustment plate (15-1,2) is fixed on axle bed (6-1,2) by screw group (12-1~8) by dead axle plate (11-1~4) On, realize the final axially position of the outer end shaft (13-1,2).

9. the device for pressure measurement of steel rail grinding head according to claim 8, which is characterized in that 2 interior axle beds (23-1,2) forms axis hole with 2 shafts (13-1,2) respectively by its axis hole and connect, using dead axle plate (11-1~4) and adjustment Axle sleeve (14-1,2) realizes interior axially position of the axle bed (23-1,2) on shaft (13-1,2), and dead axle plate (11-1~4) passes through Screw group (12-1~8) is fixed on interior axle bed (23-1,2), realizes the final axially position of the inner end shaft (13-1,2).