CN110629602B - Automatic tamping operation device - Google Patents
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- CN110629602B CN110629602B CN201910978997.0A CN201910978997A CN110629602B CN 110629602 B CN110629602 B CN 110629602B CN 201910978997 A CN201910978997 A CN 201910978997A CN 110629602 B CN110629602 B CN 110629602B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/13—Packing sleepers, with or without concurrent work on the track
- E01B27/16—Sleeper-tamping machines
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Abstract
The invention discloses an automatic tamping operation device, which is arranged on a tamping vehicle and comprises: the distance measuring unit and the tamping descending valve are respectively connected with the processing unit. When the tamping vehicle works, the distance measuring unit acquires line mileage data and sends the line mileage data to the processing unit, the processing unit acquires the distance between sleepers, the inertial braking distance of tamping work and the moving error distance of tamping work through the distance measuring unit, calculates the position of tamping work according to the distance between sleepers, the inertial braking distance of tamping work, the moving error distance of tamping work and the manual adjustment error distance, and outputs a control signal of tamping work to the tamping descending valve. The invention can solve the technical problems that the prior operation device has operation accumulated error, needs to continuously correct the moving distance and even causes the operation to be impossible.
Description
Technical Field
The invention relates to the technical field of railway engineering machinery, in particular to an automatic tamping operation device applied to tamping operation of large road maintenance machinery.
Background
At present, maintenance operation of a railway line is changed from a manual mode to a large-scale engineering machinery mode, a pickaxe needs to be stepped manually in large-scale mechanical tamping operation, a tamping descending pedal needs to be stepped down at a certain distance before a tamping point is reached, a tamping head descends, and accordingly one tamping operation is completed. In the automatic tamping operation process of the large-scale road maintenance machine, the measurement needs to be carried out on the operated railway line, the tamping-up inserting position needs to be calculated, and the moving distance from the current position to the next tamping inserting position needs to be calculated. However, when the system fails, or an accident occurs, the tamping unit may be inserted down to the place of the accident, such as: if inserted above the sleepers, the sleepers may be damaged or the sleepers may be tamped; if inserted to the edge of the tie, the positional relationship of the tie and the spacing between the ties may change.
In the prior art, a common tamping operation method adopts an equidistant operation method, and the operation method is suitable for occasions with unchanged or slightly changed moving distance of each operation. In fact, the distance moved by each operation and the expected distance moved by the operation often have errors, and the errors are gradually accumulated to form a large operation error, so that the operator is required to continuously correct the moving distance in a manual mode. Obviously, the automatic tamping operation method cannot operate under certain conditions, and the technical stuffing shortage that the operator needs to intervene at any time and cannot leave a working post exists.
In addition, the applicant filed a patent on 2018, 02/01 and published 2018, 05/29 by the times electronics technologies limited company of the shorea of the present applicant, and the chinese patent application with publication number CN108086070A discloses a railroad track sleeper position measuring device. This railway line sleeper position measurement device includes: a measurement module; the measuring wheel is connected with the measuring module and is used for measuring the mileage of the railway line; the magnet induction switch is connected with the measuring module and is used for detecting the spikes on the sleeper; the first distance proximity switch is connected with the measuring module and is used for detecting a spike on the sleeper; the second distance proximity switch is connected with the measuring module and is used for detecting the sleeper; when the magnet inductive switch and the first distance proximity switch detect the spike and the second distance proximity switch detect the sleeper, the measuring module judges that the sleeper is detected, marks the railway line mileage measured by the measuring wheel as the kilometer post of the corresponding sleeper, and forms railway line data for guiding the operation of the railway tamping vehicle. The invention can solve the technical problems of large operation error, low automation degree, unstable operation state and manual intervention requirement of the existing measurement mode. However, the technical scheme of the invention mainly relates to the measurement and positioning of the line sleepers and the formation of operation files before the tamping operation of the vehicle, and does not relate to the calculation of the inserting position of the tamping head of the vehicle in the tamping operation process.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automatic tamping tool, which solves the technical problems of the prior art, such as accumulated operation errors, the need for continuous correction of the moving distance by the operator, and even the failure of the operation.
In order to achieve the above object, the present invention specifically provides a technical solution of an automatic tamping work apparatus, which is provided on a tamping vehicle and includes: the device comprises a processing unit, and a distance measuring unit and a tamping descending valve which are respectively connected with the processing unit. When the tamping vehicle works, the distance measuring unit acquires line mileage data and sends the line mileage data to the processing unit, the processing unit acquires a sleeper interval A, a tamping operation inertia braking distance B and a tamping operation moving error distance D through the distance measuring unit, calculates a tamping operation position according to the sleeper interval A, the tamping operation inertia braking distance B, the tamping operation moving error distance D and a manual adjustment error distance C, and outputs a tamping operation control signal to the tamping descending valve.
Further, the sleeper spacing a is calculated according to the following formula:
A＝S/J
wherein S is the total moving distance of the tamping device in the previous M times of operation, J is the total moving sleeper number of the tamping device in the previous M times of operation, and M is an integer from 1 to N.
Further, the tamping work inertia braking distance B is calculated according to the following formula:
B＝E/W
wherein E is the sum of the moving distances between the tamping device and the actual lower inserting position after the lower inserting signal of the tamping device is generated in the previous W times of operation, and W is an integer between 1 and N.
Further, the moving error distance D of the tamping operation at this time is a difference value between the moving distance of the tamping device and the actual moving distance of the tamping device obtained by previous theoretical calculation.
Furthermore, the automatic tamping operation device also comprises an adjusting unit connected with the processing unit, and after the tamping vehicle works for a long distance, if the line mileage data measured by the distance measuring unit has an error with the mileage data calculated theoretically, or the distance difference between the sleepers exceeds a set value, or the moving distance of the next tamping operation and the average sleeper distance exceed a set value, the adjusting unit is used for manually adjusting the error distance to be C.
Further, the moving distance L of the tamping unit from the current tamping operation location to the next tamping operation location is calculated according to the following formula:
L＝K*A-B+C+D
wherein, K is the sleeper quantity of tamping operation at every turn, and A is the sleeper interval, and B is tamping operation inertia braking distance, and C is manual adjustment error distance, and D is tamping operation movement error distance.
Furthermore, when the tamping vehicle starts to work, tamping work is carried out in a manual control mode, the processing unit obtains line mileage data of the inserting position of the tamping device through the distance measuring unit, and the distance A between sleepers, the inertial braking distance B of the tamping work and the moving error distance D of the tamping work are calculated according to the line mileage data.
Further, during the operation of the tamping vehicle, the processing unit replaces the total moving distance of the tamping unit of the previous M-th operation with the total moving distance of the tamping unit of the current latest operation.
Further, during the operation of the tamping vehicle, the processing unit replaces the current latest tamping operation inertia braking distance with the previous W-th tamping operation inertia braking distance.
Furthermore, the automatic tamping operation device also comprises a sleeper protection execution unit and a manual cutting switch, wherein the sleeper protection execution unit further comprises a control coil and an operation switch. One end of the control coil is connected to the processing unit, and the other end of the control coil is connected with the manual cutting switch. One end of the operating switch inputs a tamping downward insertion signal, and the other end of the operating switch is connected with the tamping descending valve. When the processing unit outputs a sleeper protection signal to the control coil, the tamping downward-inserting signal is cut off, the tamping downward valve cannot be electrified, the tamping head cannot be inserted downward, and the sleeper protection signal can be cut off through the manual cutting switch.
Through the implementation of the technical scheme of the automatic tamping operation device provided by the invention, the automatic tamping operation device has the following beneficial effects:
(1) the automatic tamping operation device can realize automatic correction of operation errors and manual correction of operation errors, and can greatly improve the safety and the automation degree of tamping operation;
(2) the automatic tamping operation device can automatically correct operation errors, is simple in implementation process, and does not need to additionally increase hardware cost;
(3) the automatic tamping operation device can realize automatic tamping under the condition that the distance of the line sleeper is not changed greatly, replaces the stamping of workers, and lightens the working strength of the operators.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, from which other embodiments can be derived by a person skilled in the art without inventive effort.
FIG. 1 is a block diagram of the system architecture of one embodiment of the automatic tamping tool of the present invention;
FIG. 2 is a schematic view of a parameter display and setup interface of an embodiment of the automatic tamping tool of the present invention;
FIG. 3 is a block diagram of the system architecture of one embodiment of the automatic tamping tool of the present invention;
FIG. 4 is a block diagram of a portion of the system of one embodiment of the automatic tamping tool of the present invention;
FIG. 5 is a schematic diagram of the operation of one embodiment of the automatic tamping tool of the present invention;
FIG. 6 is a schematic diagram of the operation position calculation of an embodiment of the automatic tamping operation device of the present invention;
FIG. 7 is a flowchart of a process for one embodiment of a method for automated tamping operation based on the apparatus of the present invention;
in the figure: 1-processing unit, 2-distance measuring unit, 3-display unit, 4-adjusting unit, 5-tamping descending valve, 6-sleeper protection executing unit, 61-control coil, 62-operation switch, 7-manual cutting switch, 10-sleeper, 11-steel rail, 12-spike and 100-automatic tamping operation device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, an embodiment of the automatic tamping tool of the present invention is shown, and the present invention will be further described with reference to the drawings and the embodiment.
Example 1
As shown in fig. 1, an embodiment of an automatic tamping work device 100 is provided on a tamping vehicle, and specifically includes: a processing unit 1, and a distance measuring unit 2 and a tamper lowering valve 5 respectively connected to the processing unit 1. When the tamping vehicle is operated, the distance measuring unit 2 (specifically adopting the distance measuring wheels) acquires line mileage data and sends the line mileage data to the processing unit 1, the processing unit 1 acquires a sleeper interval A, a tamping operation inertia braking distance B and a tamping operation movement error distance D through the distance measuring unit 2, the tamping operation position is calculated according to the sleeper interval A, the tamping operation inertia braking distance B, the tamping operation movement error distance D and the manual adjustment error distance C, and a tamping operation control signal is output to the tamping descending valve 5.
The tie spacing a is further calculated according to the following formula:
A＝S/J
wherein S is the total moving distance of the tamping device in the previous M times of operation, J is the total moving sleeper number of the tamping device in the previous M times of operation, and M is an integer from 1 to N.
The process of obtaining the (average) tie spacing a is an important part of this embodiment, and if the tie spacing of the track is the same, the operation data is obtained once, which may cause different measurement results due to the deviation of the inserting positions of the tamping devices twice before and after, and the error can be reduced by collecting the operation data twice and calculating the average value of the operation data twice. In all the operation data acquisition processes, only the first and last data acquisition with errors exist, and the actual average sleeper spacing of the line can be reflected in real time as long as enough times of data acquisition are carried out and the average value is obtained. However, the collection frequency of the operation data is not too large, otherwise the change condition of the line cannot be reflected in real time. Assuming that the tie spacing of the lines is differential, the average tie spacing can also be obtained using the method described in this embodiment.
The tamping of the first pillow, the second pillow and the third pillow is analyzed and calculated in the specific calculation process. The total number of sleepers is equal to the sum of the number of times of operation multiplied by the number K of sleepers in each operation, the number of sleepers moved by tamping is represented by one sleeper, two sleepers and three sleepers, and if the parameter K is 2, the moving distance of the tamping device in one operation is 1200 mm.
After the tamping vehicle obtains the inserting signal, the tamping device can have a forward inertia movement and can be finally inserted in place, and the inertia braking distance B of the tamping operation is further calculated according to the following formula if the average moving distance of the tamping vehicle is B:
B＝E/W
wherein E is the sum of the moving distances between the tamping device and the actual lower inserting position after the lower inserting signal of the tamping device is generated in the previous W times of operation, and W is an integer between 1 and N.
The process of obtaining the (average) tamping work inertia braking distance B is another important part of this embodiment, and when the tamping vehicle is working, the braking distance (i.e. the tamping work inertia braking distance B) obtained under the influence of various factors such as different working speeds, different actual conditions of the track (e.g. ascending and descending), different working time of the tamping vehicle (e.g. hydraulic oil temperature, and execution speed of the action mechanism), and the like. However, they all have a common point that under certain conditions, the working state of the tamping vehicle is stable, the change of the two operations before and after is small or basically unchanged, the change of the braking distance is not large, and the influence on the whole operation positioning is small because the value of the braking distance is small, so that the actual braking distance of the field operation can be well reflected by adopting the average braking distance.
There may be an error D between the theoretically calculated value of the distance traveled by the tamping device and the actual value of the distance traveled (600 for the tamping vehicle to move forward, and 5 for the actual tamping vehicle to move forward 595 only, which will be superimposed on the next distance traveled). The moving error distance D of the tamping operation is the difference between the moving distance of the tamping device and the actual moving distance of the tamping device obtained by previous theoretical calculation.
The automatic tamping operation device 100 further comprises an adjusting unit 4 connected with the processing unit 1, and when the distance measuring unit 2 measures the distance between the track and the track, and the distance between the sleepers 10 exceeds a set value, or the distance between the track and the track is different from the average distance between the sleepers exceeds a set value (i.e. the distance between the track and the track is changed greatly relative to the average distance between the track and the track) after the tamping vehicle is operated for a long distance, the adjusting unit 4 is used for manually adjusting the distance to be C. The adjusting unit 4 may employ a potentiometer, and the potentiometer is used to adjust the change of the moving distance.
As shown in fig. 6, the distance L of movement of the tamping unit from the current tamping work position to the next tamping work position is further calculated according to the following formula:
L＝K*A-B+C+D
wherein, K is the sleeper quantity of tamping operation at every turn, and A is the sleeper interval, and B is tamping operation inertia braking distance, and C is manual adjustment error distance, and D is tamping operation movement error distance.
The tamping vehicle is required to give a tamping plug-in signal in advance, and the moving distance L between the tamping (working) device from the current working point to the given plug-in signal during a tamping operation is as follows:
L＝A-B+C+D
in the tamping operation of the second sleeper, the moving distance L between the current operation point and a given lower inserting signal of the tamping (operation) device is as follows:
L＝2A-B+C+D
in the tamping operation of the three-sleeper tamping machine, the moving distance L between the current operation point and a given lower inserting signal of the tamping (operation) device is as follows:
L＝3A-B+C+D
in the four-sleeper tamping operation, the moving distance L between the tamping (operation) device from the current operation point to the given lower inserting signal is as follows:
L＝4A-B+C+D
when the tamping vehicle starts to work, tamping work is carried out in a manual control mode, the processing unit 1 obtains line mileage data of the inserting position of the tamping device through the distance measuring unit 2, and the distance A between sleepers, the inertial braking distance B of the tamping work and the moving error distance D of the tamping work are calculated according to the line mileage data. The position of insertion of the tamping tool for manual tamping operations can be selected at the center point between two adjacent sleepers 10.
In the operation process of the tamping vehicle, the processing unit 1 replaces the total moving distance of the tamping unit in the current latest operation with the total moving distance of the tamping unit in the previous Mth operation, and replaces the inertial braking distance of the tamping operation in the previous Wth operation with the inertial braking distance of the tamping operation in the current latest operation. If M is 10, it represents that there are 10 times of operation data from 1 to 10, if there is a new data, it will be put in the 10 th, the original 10 th will become the 9 th, the 9 th will become the 8 th, the original first data will be discarded.
As shown in fig. 2, a schematic view of various parameter display and setting interfaces of the automatic tamping tool 100 is shown.
The sleeper position protection apparatus 100 further includes a display unit 3, and the display unit 3 serves as a man-machine interface.
As shown in fig. 3 and 4, the automatic tamping work apparatus 100 further includes a tie protection performing unit 6 and a manual cut-off switch 7, and the tie protection performing unit 6 further includes a control coil 61 and an operation switch 62. One end of the control coil 61 is connected to the processing unit 1, and the other end is connected to the manual excision switch 7. The operation switch 62 has one end to which a tamping lower inserting signal Q10 is inputted and the other end connected to the tamping lowering valve 5. When the sleeper protection is acted, when processing unit 1 exported sleeper protection signal (being processing unit 1 output high level control signal) to control coil 61, 24V tamping plug-in signal of sleeper protection signal output was cut off, and tamping descending valve 5 can not be electrified, and the tamping head can not plug-in, can amputate sleeper protection signal through artifical excision switch 7 this moment.
The automatic tamping operation device described in example 1 measures the current track condition, mainly the tie spacing value, the tamping vehicle operation condition, the inertial travel distance during braking, etc., using the distance measuring wheel (i.e., the distance measuring unit 2), and records the track condition and the vehicle condition in time for copying to the subsequent operation process. The method is particularly suitable for the conditions that the conditions of the line and the vehicle are not changed or are not changed greatly during operation, and data in the process are collected and updated timely to adapt to the changes of the line and the vehicle.
Example 2
As shown in fig. 7, an embodiment of an automatic tamping operation method based on the above-mentioned device specifically includes the following steps:
s10) acquiring line mileage data during tamping vehicle operation, and acquiring a sleeper distance A, a tamping operation inertia braking distance B and a tamping operation movement error distance D through distance measurement;
s20) calculating the tamping work position based on the sleeper spacing a, the tamping work inertia braking distance B, the tamping work movement error distance D, and the manual adjustment error distance C, and outputting a tamping work control signal, as shown in fig. 5.
The tie spacing a is further calculated according to the following formula:
A＝S/J
wherein S is the total moving distance of the tamping device in the previous M times of operation, J is the total moving sleeper number of the tamping device in the previous M times of operation, and M is an integer from 1 to N.
The tamping work inertia braking distance B is further calculated according to the following formula:
B＝E/W
wherein E is the sum of the moving distances between the tamping device and the actual lower inserting position after the lower inserting signal of the tamping device is generated in the previous W times of operation, and W is an integer between 1 and N.
The moving error distance D of the tamping operation is the difference between the moving distance of the tamping device and the actual moving distance of the tamping device obtained by previous theoretical calculation.
After the tamping vehicle works for a long distance, if errors are generated between the measured line mileage data and the theoretically calculated mileage data, or the difference between the distances of the sleepers 10 exceeds a set value, or the difference between the moving distance of the next tamping work and the average sleeper distance exceeds a set value, the error distance is adjusted in a manual mode, and the error distance is adjusted to be C manually.
The distance L of movement of the tamping unit from the current tamping operation location to the next tamping operation location is further calculated according to the following formula:
L＝K*A-B+C+D
wherein, K is the sleeper quantity of tamping operation at every turn, and A is the sleeper interval, and B is tamping operation inertia braking distance, and C is manual adjustment error distance, and D is tamping operation movement error distance.
When the tamping vehicle starts to work, tamping work is carried out in a manual control mode, line mileage data of the lower inserting position of the tamping device is obtained through distance measurement, and the distance A between sleepers, the inertial braking distance B of the tamping work and the moving error distance D of the tamping work are calculated according to the line mileage data.
In the operation process of the tamping vehicle, the total moving distance of the tamping device in the current latest operation replaces the total moving distance of the tamping device in the previous Mth operation, and the inertial braking distance of the tamping operation in the current latest operation replaces the inertial braking distance of the tamping operation in the previous Wth operation.
In step S20), if the tie protection signal is sent to the tamping descent valve 5, the tamping downward-inserting signal is cut off, the tamping descent valve 5 cannot be energized, the tamping head cannot be inserted downward, and the tie protection signal can be cut off by manual cutting.
By implementing the technical scheme of the automatic tamping operation device described in the specific embodiment of the invention, the following technical effects can be produced:
(1) the automatic tamping operation device described in the specific embodiment of the invention can realize automatic correction of operation errors and manual correction of operation errors, and can greatly improve the safety and the automation degree of tamping operation;
(2) the automatic tamping operation device described in the specific embodiment of the invention can automatically correct operation errors, is simple in implementation process, and does not need to additionally increase hardware cost;
(3) the automatic tamping operation device described in the specific embodiment of the invention can realize automatic tamping under the condition that the distance of the line sleeper is not changed much, replaces the stamping of workers, and lightens the working strength of the operators.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. An automatic tamping work device, characterized in that the automatic tamping work device (100) is arranged on a tamping vehicle and comprises: the device comprises a processing unit (1), and a distance measuring unit (2) and a tamping descending valve (5) which are respectively connected with the processing unit (1); when the tamping vehicle works, the distance measuring unit (2) acquires line mileage data and sends the line mileage data to the processing unit (1), the processing unit (1) acquires a sleeper interval A, a tamping work inertia braking distance B and a tamping work movement error distance D through the distance measuring unit (2), calculates a tamping work position according to the sleeper interval A, the tamping work inertia braking distance B, the tamping work movement error distance D and a manual adjustment error distance C, and outputs a tamping work control signal to the tamping lowering valve (5);
the distance L of movement of the tamping unit from the current tamping operation position to the next tamping operation position is calculated according to the following formula:
L＝K*A-B+C+D
wherein, K is the sleeper quantity of tamping operation at every turn, and A is the sleeper interval, and B is tamping operation inertia braking distance, and C is manual adjustment error distance, and D is tamping operation movement error distance.
2. The automated tamping tool of claim 1, wherein the tie spacing a is calculated according to the formula:
A＝S/J
wherein S is the total moving distance of the tamping device in the previous M times of operation, J is the total moving sleeper number of the tamping device in the previous M times of operation, and M is an integer from 1 to N.
3. The automated tamper-work apparatus of claim 2, wherein the tamper-work inertia braking distance B is calculated according to the formula:
B＝E/W
wherein E is the sum of the moving distances between the tamping device and the actual lower inserting position after the lower inserting signal of the tamping device is generated in the previous W times of operation, and W is an integer between 1 and N.
4. The automatic tamping work device of claim 3, wherein: the moving error distance D of the tamping operation is the difference between the moving distance of the tamping device and the actual moving distance of the tamping device obtained by previous theoretical calculation.
5. The automatic tamping work device of claim 4, wherein: the automatic tamping operation device (100) further comprises an adjusting unit (4) connected with the processing unit (1), and after the tamping vehicle works for a long distance, if the line mileage data measured by the distance measuring unit (2) and the mileage data theoretically calculated generate errors, or the distance difference of the sleepers (10) exceeds a set value, or the moving distance of the next tamping operation and the average sleeper distance exceed a set value, manual error distance adjustment is carried out through the adjusting unit (4), and the manually adjusted error distance is C.
6. The automatic tamping work device according to any one of claims 1 to 5, wherein: when the tamping vehicle starts to work, tamping work is carried out in a manual control mode, the processing unit (1) obtains line mileage data of a lower inserting position of the tamping device through the distance measuring unit (2), and the distance (A) between sleepers, the inertial braking distance (B) of the tamping work and the moving error distance (D) of the tamping work are calculated according to the line mileage data.
7. The automatic tamping work device of claim 6, wherein: during the operation of the tamping vehicle, the processing unit (1) replaces the total moving distance of the tamping device of the previous M-th operation with the total moving distance of the tamping device of the current latest operation.
8. The automatic tamping work device of claim 7, wherein: during the operation of the tamping vehicle, the processing unit (1) replaces the previous W-th tamping operation inertia braking distance with the current latest tamping operation inertia braking distance.
9. The automatic tamping work device according to any one of claims 1 to 5, 7, 8, wherein: the automatic tamping operation device (100) further comprises a sleeper protection execution unit (6) and a manual cutting switch (7), wherein the sleeper protection execution unit (6) further comprises a control coil (61) and an operation switch (62); one end of the control coil (61) is connected to the processing unit (1), and the other end of the control coil is connected with the manual excision switch (7); one end of the operating switch (62) inputs a tamping downward insertion signal, and the other end of the operating switch is connected with the tamping descending valve (5); when the processing unit (1) outputs a sleeper protection signal to the control coil (61), the tamping downward-inserting signal is cut off, the tamping downward valve (5) cannot be electrified, the tamping head cannot be inserted downward, and the sleeper protection signal can be cut off through the manual cutting-off switch (7).
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