CN110872798A - Mechanical device for installing horizontal guide groove of screen scarifier - Google Patents
Mechanical device for installing horizontal guide groove of screen scarifier Download PDFInfo
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- CN110872798A CN110872798A CN201811011212.4A CN201811011212A CN110872798A CN 110872798 A CN110872798 A CN 110872798A CN 201811011212 A CN201811011212 A CN 201811011212A CN 110872798 A CN110872798 A CN 110872798A
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- guide groove
- horizontal guide
- arm
- telescopic
- oil cylinder
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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
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
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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
- E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
- E01B27/08—Renewing or cleaning the ballast in situ, with or without concurrent work on the track the track having been taken-up
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- Civil Engineering (AREA)
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Abstract
The utility model provides a mechanical device that is used for horizontal guide slot of screen scarifier to install which characterized in that: the horizontal guide groove installing device comprises a mechanical arm installing seat (1) connected to a screen cleaning machine body, wherein the tail end of the mechanical arm installing seat (1) is connected with a large arm (2), the tail end of the large arm (2) is connected with a telescopic arm (4), the tail end of the telescopic arm (4) is connected with a horizontal guide arm (10) through two stages of swing oil cylinders, a horizontal guide groove fixing mechanism (12) is arranged below the horizontal guide arm (10), and the horizontal guide groove fixing mechanism (12) is used for connecting a horizontal guide groove so as to complete the installation operation of the horizontal guide groove; a large-arm amplitude-variable oil cylinder (3) is connected between the mechanical arm mounting seat (1) and the large arm (2). The invention realizes the mechanization of the installation of the horizontal guide groove of the screen scarifier, and an operator only needs to operate the corresponding hydraulic valve when installing or disassembling the horizontal guide groove, thereby saving the labor cost, reducing the labor intensity of the operator and reducing the safety risk compared with the technical scheme in the prior art.
Description
Technical Field
The invention relates to a fixing device of a screen scarifier, in particular to a device for installing a horizontal guide groove of the screen scarifier.
Background
The ballast cleaning machine is used for cleaning and screening ballast on a ballast bed, can carry out periodical overhaul and screen cleaning operation on the ballast bed, recovers the elasticity and the drainage performance of the ballast bed, excavates dirty ballast from the bottom of a sleeper for screening, backfills the clean ballast to the ballast bed, and throws out the screened dirty soil outside a line, thereby achieving the purpose of cleaning and screening the gravel ballast bed.
The action of the screen scarifier comprises: the running system drives the whole vehicle to run, the track lifting device lifts the track, the excavating system excavates the railway ballast and lifts and conveys the railway ballast to the screening device, the screening device screens the railway ballast, and the conveying device backfills and throws the railway ballast. The excavating system mainly comprises an excavating chain, a lifting guide groove, an excavating chain driving device, a horizontal guide groove, a descending guide groove, a corner guide groove, a ballast collecting plate, a protection plate, a chain tensioning oil cylinder, a lifting oil cylinder and the like. Before the screen scarifier works, a horizontal guide groove and a part of chain links need to be installed.
During installation, a part of ballast is dug out manually, and a foundation pit which is 400-500 mm deep from the sleeper bottom, 1500mm apart from the sleeper is formed below the steel rail, and 700mm extends outwards from two sides of the end of the sleeper; then, an operator lifts the horizontal guide groove from the vehicle into the foundation pit, adjusts the descending guide groove and the lifting guide groove to the lower part of the steel rail through an adjusting oil cylinder, lifts the horizontal guide groove by means of simple hoisting equipment, and directly moves the horizontal guide groove to adjust the position of the horizontal guide groove; after the end surfaces of the two sides of the horizontal guide groove are aligned with the end surfaces of the bent angle guide grooves, the horizontal guide groove is connected with the bent angle guide grooves through the quick connecting pins and the bolts. And after the horizontal guide groove is installed, a chain link is installed, so that the digging chain bypasses the steel rail to form a closed ring shape, and finally, the digging chain is tensioned by a tensioning oil cylinder to complete the installation of the digging chain system.
The weight of the horizontal guide groove reaches 150kg, 4 persons are required to carry the horizontal guide groove during installation and disassembly, the labor intensity is high, the installation time is long, the position adjustment is difficult, the operation time is night, and the safety risk is high. The length of the horizontal guide groove of the screen scarifier is greater than the inner side distance of the steel rail, so that the horizontal guide groove cannot be directly placed below the steel rail from the bottom of the screen scarifier, and the installation is difficult. The period of a skylight for the operation of the screen scarifier is short, the installation of the horizontal guide groove occupies a large amount of time, the operation efficiency of the screen scarifier is severely restricted, and the problem needs to be solved by realizing the mechanization of the installation of the horizontal guide groove.
Disclosure of Invention
The invention provides a mechanical device for installing a horizontal guide groove of a screen scarifier, which comprises a mechanical arm mounting seat connected to a screen scarifier body, wherein the tail end of the mechanical arm mounting seat is connected with a large arm, the tail end of the large arm is connected with a telescopic arm, the tail end of the telescopic arm is connected with a transverse guide arm through a two-stage swing oil cylinder, a horizontal guide groove fixing mechanism is arranged below the transverse guide arm, and the horizontal guide groove fixing mechanism is used for connecting the horizontal guide groove so as to complete the installation operation of the horizontal guide groove; and a large-boom variable-amplitude oil cylinder is connected between the mechanical arm mounting seat and the large boom, a telescopic-boom variable-amplitude oil cylinder is connected between the telescopic boom and the large boom, and the axes of the two-stage swing oil cylinders are vertical to each other.
Preferably, the telescopic arm comprises an outer arm and an inner arm sleeved in the outer arm, and a telescopic oil cylinder is connected between the inner arm and the outer arm.
Preferably, the two-stage oil cylinder comprises a primary spiral oscillating cylinder and a secondary spiral oscillating cylinder.
More preferably, the primary spiral oscillating cylinder is connected to the end of the inner arm.
Preferably, the primary spiral oscillating cylinder is connected with a secondary spiral oscillating cylinder, and the secondary spiral oscillating cylinder is connected with the transverse guide arm.
Preferably, a transverse slide arm is embedded in the transverse guide arm, and a transverse adjusting hydraulic cylinder is connected between the transverse slide arm and the transverse guide arm.
Preferably, the mechanical arm mounting seat is connected to the bottom of the body of the screen scarifier.
Preferably, the large boom is connected to the mechanical arm mounting seat, the large boom luffing cylinder is connected to the mechanical arm mounting seat and the large boom, and the telescopic boom is connected to the large boom.
More preferably, a slider is provided between the outer arm and the inner arm of the telescopic arm.
Preferably, the telescopic boom luffing cylinder is connected to the large boom and the telescopic boom outer boom, and the telescopic boom telescopic cylinder is connected to the telescopic boom outer boom and the telescopic boom inner boom.
Preferably, the telescopic boom telescopic cylinder is arranged in the telescopic boom.
Preferably, the primary spiral oscillating cylinder is fixed to an inner arm of the telescopic arm.
Preferably, the secondary helical oscillation cylinder is connected to the primary helical oscillation cylinder.
Preferably, the transverse guide arm is connected to a secondary spiral oscillating cylinder.
Preferably, the transverse slide arm is positioned in the transverse guide arm, and a sliding block is arranged between the transverse slide arm and the transverse guide arm.
Preferably, the horizontal adjusting hydraulic cylinder is connected to the horizontal guide arm and the horizontal sliding arm to realize the horizontal movement of the horizontal sliding arm, and the horizontal guide groove fixing mechanism is fixed to the horizontal sliding arm and used for fastening the horizontal guide groove through the horizontal guide groove fixing mechanism when a mechanical device installed on the horizontal guide groove of the screen scarifier works.
The working principle of the mechanical device for installing the horizontal guide groove of the screen scarifier is as follows: the horizontal guide groove of the horizontal guide groove fixing mechanism is gradually inserted into a track bed below a steel rail through a mechanical arm mounting seat mounted at the bottom of a cleaning machine body and a large arm, a telescopic arm and two-stage oil cylinders at the tail ends of the telescopic arm, the horizontal guide groove is gradually changed into a horizontal position from an inclined position relative to the track bed through the stretching and the swinging of the oil cylinders and enters the track bed below the steel rail, the position is adjusted through the transverse guide arm and the transverse sliding arm, then the tail end of the horizontal guide groove is aligned and connected with the bent angle guide groove, and then the excavating chain is mounted to form a ring through a chain link, so that the horizontal guide groove and the bent angle guide groove form a closed ring-shaped excavating chain channel in the cleaning machine, and the cleaning operation is convenient to complete.
The invention provides a method for installing a horizontal guide groove of a screen scarifier, which comprises the following steps:
step S1: clamping of the horizontal guide groove:
a. the mechanical arm mounting base is located at an initial position, and at the moment, the horizontal guide groove is placed at the bottom of the screen cleaning machine; operating a large-arm amplitude-variable oil cylinder to extend the piston end of the large-arm amplitude-variable oil cylinder so as to drive the large arm to rotate to an operation position, and realizing the first amplitude variation of the mechanical device installed in the horizontal guide groove of the screen scarifier;
b. extending the variable-amplitude oil cylinder of the telescopic boom out to enable the telescopic boom to rotate to an operation position, and realizing the secondary variable amplitude of the mechanical device installed in the horizontal guide groove of the screen scarifier;
c. extending a telescopic oil cylinder of a telescopic arm, unfolding the telescopic arm, and then rotating a primary spiral swinging cylinder by a certain angle to enable a horizontal guide groove fixing mechanism to be close to a horizontal guide groove buckle head;
d. repeating the steps a, b and c to gradually approach the horizontal guide groove fixing mechanism and the horizontal guide groove buckle head, and finally accurately aligning to finish clamping;
step S2: the horizontal guide groove penetrates through the steel rail:
e. through the adjustment of the step S1, the horizontal guide groove is positioned between the two sleepers and is positioned at a proper height, the bottom surface of the transverse guide arm is parallel to the ground, and then the secondary spiral swinging cylinder is rotated to a proper angle to enable the horizontal guide groove to be inclined to a proper position;
f. then the transverse adjusting oil cylinder extends out, the transverse sliding arm moves for a certain distance along the transverse guide arm under the action of the transverse adjusting oil cylinder, one end of the horizontal guide groove penetrates through the steel rail on one side,
g. adjusting the movement of the telescopic boom amplitude-variable oil cylinder, the telescopic boom telescopic oil cylinder and the secondary spiral swinging cylinder to enable the other end of the horizontal guide groove to move below the steel rail;
h. and then the horizontal guide groove is positioned in the center of the steel rail by controlling the retraction of the transverse adjusting oil cylinder.
Step S3: the horizontal guide slot terminal surface aligns with bent angle guide slot terminal surface:
i. the alignment of the end surface of the horizontal guide groove and the end surface of the bent angle guide groove is realized by adjusting the extension and retraction of the large arm amplitude-varying oil cylinder, the telescopic arm telescopic oil cylinder and the primary spiral swinging cylinder,
step S4: fixing a horizontal guide groove and installing an excavating chain:
j. after the end surface of the horizontal guide groove is aligned with the end surface of the bent angle guide groove, the horizontal guide groove is connected with the bent angle guide groove by using a quick connecting pin and a bolt;
k. and after the horizontal guide groove is installed, a chain link is installed, so that the digging chain bypasses the steel rail to form a closed ring shape, and finally, the digging chain is tensioned by a tensioning oil cylinder to complete the installation of the digging chain system.
The mechanical device for installing the horizontal guide groove of the screen scarifier has the beneficial effects that: (1) the invention realizes the mechanization of the installation of the horizontal guide groove of the screen scarifier, and an operator only needs to operate the corresponding hydraulic valve when installing or disassembling the horizontal guide groove, thereby saving the labor cost, reducing the labor intensity of the operator and reducing the safety risk compared with the technical scheme in the prior art.
(2) The invention adopts two spiral oscillating cylinders to realize the position adjustment of the horizontal guide groove, and the spiral oscillating cylinders have large rotating range, compact structure and saved installation space.
(3) The invention has large ascending space, and can realize the automation of the installation of the horizontal guide groove by designing a corresponding control system.
(4) The position of the horizontal guide groove is adjusted through the two-stage spiral swinging oil cylinders which are vertically arranged, and the mechanical device is compact in structure, large in adjusting range and original.
(5) The horizontal adjusting mechanism is composed of a horizontal guide arm and a horizontal sliding arm arranged in the horizontal guide arm, horizontal adjustment of the horizontal guide groove is achieved through driving of a hydraulic oil cylinder, and the horizontal adjusting mechanism is simple in structure and convenient to adjust.
Drawings
Fig. 1 is a schematic perspective view of a mechanical device for installing horizontal guide grooves of a screen scarifier according to a first aspect of the present invention.
FIG. 2 is a first schematic view of the installation position of a preferred embodiment of the installation method of the horizontal guide groove of the screen scarifier according to the second aspect of the invention;
FIG. 3 is a second schematic view of the installation position of a preferred embodiment of the installation method of the horizontal guide groove of the screen scarifier according to the second aspect of the invention;
FIG. 4 is a third schematic view of the installation position of a preferred embodiment of the installation method of the horizontal guide groove of the screen scarifier according to the second aspect of the invention;
fig. 5 is a fourth schematic view of the installation position of a preferred embodiment of the installation method of the horizontal guide groove of the screen scarifier in the second aspect of the invention;
fig. 6 is a schematic perspective view of a horizontal guide groove fixing mechanism for a horizontal guide groove and a mounting mechanism of a screen scarifier according to a preferred embodiment of the present invention.
FIG. 7 is a cross-sectional view of the embodiment of FIG. 6;
FIG. 8 is a schematic structural view of the chuck and the positioning sleeve in the embodiment shown in FIG. 6;
FIG. 9 is a schematic structural view of the preferred embodiment of FIG. 6 before the locking head and the chuck are disconnected;
fig. 10 is a schematic view of the embodiment of fig. 6 and 9 with the fastener head and chuck assembled, and the rigid rubber pad is spaced from the horizontal guide slot by a distance d;
FIG. 11 is an assembly view of the embodiment of FIG. 10 in a working state after assembly, wherein the horizontal guide groove is tightly contacted with the hard rubber pad by stretching the button head cylinder;
the corresponding relationship between the component names and the reference numbers in fig. 1-11 is as follows:
1 mechanical arm mounting seat, 2 large arms, 3 large arm luffing cylinders, 4 telescopic arms, 4-0 telescopic arm telescopic cylinders
4-1 telescopic boom outer boom 4-2 telescopic boom inner boom 5 telescopic boom luffing cylinder 6 primary spiral oscillating cylinder
7 two-stage spiral oscillating cylinder connecting flange 8 two-stage spiral oscillating cylinder 9 transverse guide arm connecting flange
10 horizontal guide arm 11 horizontal slide arm 12 horizontal guide slot fixed establishment
13 transverse adjusting oil cylinder 14 rail 15 sleeper
121 buckle 122 buckle guide sleeve 123 buckle cylinder 124 oil cylinder flange 125 fixing plate
126 support block 127 hard rubber pad 128 clamp 129 locating sleeve 1210 horizontal guide slot.
Detailed Description
Example 1.1: a mechanical device for installing a horizontal guide groove of a screen cleaning machine comprises a mechanical arm installation seat 1 connected to the bottom of a screen cleaning machine body, wherein the end of the mechanical arm installation seat 1 is connected with a large arm 2, the end of the large arm 2 is connected with a telescopic arm 4, the end of the telescopic arm 4 is connected with a primary spiral swinging cylinder 6, the primary spiral swinging cylinder 6 is connected with a secondary spiral swinging cylinder 8 through a secondary spiral swinging cylinder connecting flange 7, the axis of the primary spiral swinging cylinder 6 is perpendicular to the axis of the secondary spiral swinging cylinder 8, a transverse guide arm connecting flange 9 is connected below the secondary spiral swinging cylinder 8, a transverse guide arm 10 is connected below the transverse guide arm connecting flange 9, a horizontal guide groove fixing mechanism 12 is welded below the transverse guide arm 10, and the horizontal guide groove fixing mechanism 12 is used for connecting with the horizontal guide groove so as to complete the installation operation of the horizontal guide groove; a large boom luffing cylinder 3 is connected between the mechanical arm mounting seat 1 and the upper part of the large boom 2, and a telescopic boom luffing cylinder 5 is connected between the lower part of the telescopic boom 4 and the lower part of the large boom 2.
The telescopic arm 4 comprises an outer arm 4-1 and an inner arm 4-2 sleeved in the outer arm 4-1, and a telescopic oil cylinder 4-0 is connected between the inner arm 4-2 and the outer arm 4-1.
More preferably, in this embodiment, the primary spiral-oscillating cylinder 6 is connected to the end of the inner arm 4-2.
The primary spiral swinging cylinder 6 is connected with a secondary spiral swinging cylinder 8 through a secondary spiral swinging cylinder connecting flange 7, the secondary spiral swinging cylinder 8 is connected with a transverse guide arm connecting flange 9, and the transverse guide arm connecting flange 9 is also connected with a transverse guide arm 10.
The connecting flange of the secondary spiral swinging cylinder comprises a rectangular bottom plate, triangular lug seats are arranged above two ends of the rectangular bottom plate, a pin shaft hole I is formed in each triangular lug seat, a pin shaft penetrates through the pin shaft hole I to connect the primary spiral swinging cylinder 6 with the tail end of the inner arm 4-2 of the telescopic arm 4, and the triangular lug seats and the rectangular bottom plate are of an integral structure.
A transverse slide arm 11 is embedded in the transverse guide arm 10, and a transverse adjusting oil cylinder 13 is connected between the transverse slide arm 11 and the transverse guide arm 10.
The large arm 2 is connected to the mechanical arm mounting seat 1 through a pin shaft, the large arm luffing cylinder 3 is connected to the mechanical arm mounting seat 1 and the large arm 2 through a pin shaft, and the telescopic arm 4 is connected to the large arm 1 through a pin shaft.
A slide block is arranged between the outer arm 4-1 and the inner arm 4-2 of the telescopic arm 4.
The telescopic boom luffing cylinder 5 is connected with the large boom 2 and the outer boom 4-1 of the telescopic boom 4 through a pin shaft, and the telescopic boom luffing cylinder 4-0 is connected with the outer boom 4-1 and the inner boom 4-2 of the telescopic boom 4 through a pin shaft.
The telescopic arm telescopic oil cylinder 4-0 is arranged in the telescopic arm 4.
The primary spiral swinging cylinder 6 is fixed at the bottom end of the inner arm 4-2 of the telescopic arm 4 through a bolt.
The secondary spiral oscillating cylinder connecting flange 7 is connected to the primary spiral oscillating cylinder 6 through bolts.
The secondary spiral swinging cylinder 8 is connected to the secondary spiral swinging cylinder connecting flange 7 through bolts, and the transverse guide arm connecting flange 9 is connected to the secondary spiral swinging cylinder 8 through bolts.
The lateral guide arm 10 is connected to the lateral guide arm connecting flange 9 by bolts.
The transverse slide arm 11 is positioned in the transverse guide arm 10, and a sliding block is arranged between the transverse slide arm 11 and the transverse guide arm 10.
The transverse adjusting oil cylinder 13 is connected to the transverse guide arm 10 and the transverse sliding arm 11 through pin shafts to realize transverse movement of the transverse sliding arm 11, the horizontal guide groove fixing mechanism 12 is welded on the transverse sliding arm 11, and the mechanical device for installing the horizontal guide groove of the screen scarifier fastens the horizontal guide groove through the horizontal guide groove fixing mechanism 12 during working.
Example 1.2. a mechanical device for installing a horizontal guide groove of a screen scarifier, which is the same as the mechanical device in example 1.1, and is characterized in that: the telescopic oil cylinder of the telescopic arm, the outer arm of the telescopic arm and the large arm are hinged together through the same pin shaft.
Example 1.3. a mechanical device for installing a horizontal guide groove of a screen scarifier, which is the same as the mechanical device in example 1.2, and is characterized in that: self-lubricating bushings are arranged between the pin shaft and the oil cylinder lug seats and between the pin shaft and each arm, so that the pin shaft is lubricated, and the maintenance is convenient.
Example 1.4. a mechanical device for installing a horizontal guide groove of a screen scarifier, which is the same as the mechanical device in example 1.1, and is characterized in that: and a clamping head is welded in the middle of the non-working surface of the horizontal guide groove.
Example 1.1-the mechanism for horizontal channel mounting of a screen scarifier described in example 1.4 works in the following way: through the telescopic motion of a mechanical arm mounting seat 1 mounted at the bottom of a vehicle body of a screen cleaning machine and a large arm 2, a telescopic arm 4, a primary spiral swinging cylinder 6 and a secondary spiral swinging cylinder 8 mounted on the mechanical arm mounting seat, a horizontal guide groove mounted on a horizontal guide groove fixing mechanism 12 is gradually inserted into a track bed below a steel rail 14, the horizontal guide groove is gradually changed into a horizontal position from an inclined position relative to the track bed through the telescopic motion and the swinging motion of oil cylinders and enters the track bed below the steel rail 14, the position is adjusted through a transverse guide arm 10 and a transverse sliding arm 11, then the tail end of the horizontal guide groove is aligned and connected with a bent angle guide groove, and then an excavating chain is mounted into a ring by using a chain link, so that the horizontal guide groove and the bent angle guide groove form a closed ring-shaped excavating chain channel in the screen cleaning machine, and the.
Example 2.1: a mechanical device for installing a horizontal guide groove of a screen scarifier is different from the mechanical device in embodiment 1.1 in that: the horizontal guide groove fixing mechanism 12 comprises a buckle head 121, the buckle head 121 is arranged on the inner side of a buckle head guide sleeve 122, a fixing plate 125 is arranged above the buckle head guide sleeve 122, a buckle head oil cylinder 123 is arranged above the fixing plate 125, the buckle head 121 is matched with a clamping head on a horizontal guide groove 1210 of the screen cleaning machine, so that the clamping head 128 is clamped on the buckle head 121, and a positioning sleeve 129 is arranged on the horizontal guide groove on the outer side of the clamping head. When the chuck 128 is assembled with the button 121, the positioning sleeve 129 wraps the outside of the button guide sleeve 122, so that the chuck 128 is more conveniently aligned with the button 121 during assembly.
The button head guide sleeve 122 is connected to the middle lower part of the fixing plate 125, and the cylinder flange 124 is welded to the bottom of the button head cylinder 123.
Supporting blocks 126 are arranged on two sides of the fixing plate 125, and the supporting blocks 126 are welded on two sides of the fixing plate 125; the cylinder flange 124 and the fixing plate 125 are connected to the mounting surface at the tail end of the mounting mechanism, and the fixing plate 125 and the button head cylinder 123 are assembled and connected through the cylinder flange 124.
The supporting block 126 is located below the fixing plate 125 outside the button head guide sleeve 122, and the bottom of the supporting block 126 includes a hard rubber pad 127 for buffering and avoiding hard friction.
A bayonet is arranged at the connecting end of the fixing plate 125 and the button head oil cylinder 123 to realize the positioning of the button head oil cylinder 123; the fixing plate 125 is connected with the button head cylinder 123 through a cylinder flange.
The inner rod of the buckle oil cylinder 123 is provided with a boss which is clamped in the buckle 121, one end of the buckle 121 is buckled on the clamping head 128 on the horizontal guide groove 1210 during operation, and the other end of the buckle 121 is connected with the buckle oil cylinder 123 through the boss.
The buckle head guide sleeve 122 and the positioning sleeve 129 are square, so that the horizontal guide groove 1210 and the fixing device for the horizontal guide groove and the mounting mechanism of the screen cleaning machine are positioned, and the horizontal guide groove 1210 is prevented from rotating.
And chamfers are arranged at the openings of the buckle head guide sleeve 122 and the positioning sleeve 129, so that the butt joint is convenient.
The fastening head oil cylinder 123 pulls the clamping head 128 on the horizontal guide groove 1210, so that the surfaces of the hard rubber pads 127 on the fixing plate 125 and the horizontal guide groove 1210 are extruded, three-point fixing is realized through the extrusion force of the two hard rubber pads 127 and the horizontal guide groove 1210 and the pulling force of the fastening head oil cylinder 123, and meanwhile, the hard rubber pads 127 are provided with stabilizing surfaces, so that the connection is more stable and reliable.
The cylinder flange 124 and the fixing plate 125 are connected to the mounting surface at the tail end of the mounting mechanism through a bolt group.
The inner rod of the buckle oil cylinder 123 is provided with a boss which is clamped in the buckle 121, one end of the buckle 121 is buckled on the clamping head 128 on the horizontal guide groove 1210 during operation, and the other end of the buckle 121 is connected with the buckle oil cylinder 123 through the boss.
The buckle head guide sleeve 122 and the positioning sleeve 129 are square, so that the horizontal guide groove 1210 and the fixing device are positioned, and the horizontal guide groove 1210 is prevented from rotating.
And chamfers are arranged at the openings of the buckle head guide sleeve 122 and the positioning sleeve 129, so that the butt joint is convenient.
The fastening head oil cylinder 123 pulls the clamping head 128 on the horizontal guide groove 1210, so that the surfaces of the hard rubber pads 127 on the fixing plate 125 and the horizontal guide groove 1210 are extruded, three-point fixing is realized through the extrusion force of the two hard rubber pads 127 and the horizontal guide groove 1210 and the pulling force of the fastening head oil cylinder 123, and meanwhile, the hard rubber pads 127 are provided with stabilizing surfaces, so that the connection is more stable and reliable.
The working principle of the mechanical device for installing the horizontal guide groove of the screen scarifier in the embodiment is as follows: (1) the button head 121 of the fixing device for the horizontal guide groove and the mounting mechanism of the screen scarifier is aligned with the chuck head 128 of the horizontal guide groove 1210: the initial position is as shown in fig. 9, the fastening head guide sleeve 122 of the fixing device for the horizontal guiding groove and the mounting mechanism of the screen cleaning machine is aligned with the positioning sleeve 129 on the horizontal guiding groove 1210 by controlling the mounting mechanism, so that the fastening head guide sleeve 122 moves into the positioning sleeve 129, the clamping head 128 on the horizontal guiding groove 1210 is clamped in the fastening head 121 of the fixing device for the horizontal guiding groove and the mounting mechanism of the screen cleaning machine, the horizontal guiding groove 1210 cannot rotate, and the hard rubber pad 7 on the fixing device for the horizontal guiding groove and the mounting mechanism of the screen cleaning machine is at a certain distance from the horizontal guiding groove 1210, as shown in fig. 10.
(2) The buckle head oil cylinder contracts to finish fixing: after the clamping head 128 on the horizontal guide groove 1210 is aligned with the buckle head 121 on the fixing device for the screen scarifier and the mounting mechanism, the buckle head oil cylinder 123 is contracted to drive the buckle head 121 to move upwards along the buckle head guide sleeve 122, the buckle head oil cylinder 123 is locked after the buckle head 121 moves in place, and at the moment, the horizontal guide groove 1210 is reliably connected with the fixing device for the screen scarifier and the mounting mechanism through the extrusion force of the two hard rubber pads 127 and the horizontal guide groove 1210 and the pulling force of the buckle head oil cylinder 123, as shown in fig. 11.
(3) Through the telescopic motion of a mechanical arm mounting seat 1 mounted at the bottom of a vehicle body of a screen cleaning machine and a large arm 2, a telescopic arm 4, a primary spiral swinging cylinder 6 and a secondary spiral swinging cylinder 8 mounted on the mechanical arm mounting seat, a horizontal guide groove mounted on a horizontal guide groove fixing mechanism 12 is gradually inserted into a track bed below a steel rail 14, the horizontal guide groove is gradually changed into a horizontal position from an inclined position relative to the track bed through the telescopic motion and the swinging motion of oil cylinders and enters the track bed below the steel rail 14, the position is adjusted through a transverse guide arm 10 and a transverse sliding arm 11, then the tail end of the horizontal guide groove is aligned and connected with a bent angle guide groove, and then an excavating chain is mounted into a ring by using a chain link, so that the horizontal guide groove and the bent angle guide groove form a closed ring-shaped excavating chain channel in the screen cleaning machine, and the.
Example 3.1: a method for installing horizontal guide slot of screen scarifier is disclosed, which comprises
(1) Clamping of the horizontal guide groove:
when the mechanical arm mounting seat 1 is located at an initial position, the horizontal guide groove is placed at the bottom of the screen cleaning machine, as shown in fig. 2, then the large arm amplitude-variable oil cylinder 3 extends out, and the large arm rotates upwards for 15-30 degrees to a proper position, so that the first amplitude variation of the mechanical device for mounting the horizontal guide groove of the screen cleaning machine is realized;
1b, extending out a telescopic boom amplitude-variable oil cylinder 5, and rotating a telescopic boom 4 to a proper position to realize the secondary amplitude variation of the mechanical device installed in the horizontal guide groove of the screen scarifier;
1c, extending a telescopic oil cylinder 4-0 of the telescopic arm, unfolding the telescopic arm 4, and then rotating a primary spiral swinging cylinder 6 for 10-30 degrees to enable a horizontal guide groove fixing mechanism 12 to approach a horizontal guide groove buckle head;
and 1d, sequentially and repeatedly executing the steps 1a, 1b and 1c through the motion matching of the oil cylinders, so that the horizontal guide groove fixing mechanism 12 is accurately aligned with the horizontal guide groove buckle, and clamping is further completed, as shown in fig. 3.
(2) The horizontal guide groove penetrates through the steel rail:
2a, enabling a horizontal guide groove to be arranged between the two sleepers 15 through the adjusting method in the step (1), enabling the horizontal guide groove to be at a proper height, enabling the bottom surface of the transverse guide arm 10 to be parallel to the ground, and then rotating the secondary spiral swinging cylinder 8 to a proper angle to enable the horizontal guide groove to be inclined to a proper position;
2b, then extending out the transverse adjusting oil cylinder 13, and moving the transverse slide arm 11 for a certain distance along the transverse guide arm 10 under the action of the transverse adjusting oil cylinder 13 so that one end of the horizontal guide groove passes through one side steel rail from the center of the track bed to the slope direction of the track bed, as shown in fig. 4;
2c, adjusting the extension of the luffing cylinder 5 and the telescopic cylinder 4-0 of the telescopic boom, and matching with the swing of the secondary spiral swing cylinder 8 to enable the horizontal guide groove to continuously move from the position shown in the figure 4 to the direction horizontal to the ground, so that the horizontal guide groove penetrates through a track bed below the steel rail and is finally parallel to the ground;
2d, controlling the retraction of the transverse adjusting oil cylinder 13 to enable the other end of the horizontal guide groove to move to the position below the steel rail and finally to be located in the center of the steel rail;
(3) the horizontal guide slot terminal surface aligns with bent angle guide slot terminal surface:
3a, extending or shortening the large-arm amplitude-varying oil cylinder 3, extending or shortening the telescopic-arm amplitude-varying oil cylinder 5, extending or shortening the telescopic-arm telescopic oil cylinder 4-0, and swinging the primary spiral swinging cylinder 6 forwards or backwards to enable the horizontal guide groove to move towards a position close to the bent angle guide groove, and finally enabling the end surface of the horizontal guide groove to be aligned with the end surface of the bent angle guide groove, as shown in fig. 5.
(4) Fixing a horizontal guide groove and installing an excavating chain:
4a, after the end surface of the horizontal guide groove is aligned with the end surface of the bent angle guide groove, connecting the horizontal guide groove with the bent angle guide groove by using a quick connecting pin and a bolt;
and 4b, after the horizontal guide groove is installed, chain links are installed in the horizontal guide groove and the bent angle guide groove, so that the excavating chain bypasses the steel rail 14 to form a closed ring shape, and finally, the tensioning oil cylinder is used for tensioning the excavating chain to complete the installation of the excavating chain system.
Steps 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 4b are performed in sequence.
In the embodiment, the position of the horizontal guide groove is adjusted by the large-arm amplitude-varying oil cylinder, the telescopic-arm telescopic oil cylinder and the primary swing oil cylinder, wherein the large-arm amplitude-varying oil cylinder stretches for a small length, and after each arm section is amplified, the horizontal guide groove moves remarkably, so that the large-arm amplitude-varying oil cylinder is used for roughly adjusting the position of the horizontal guide groove.
Claims (10)
1. The utility model provides a mechanical device that is used for horizontal guide slot of screen scarifier to install which characterized in that: the horizontal guide groove installing device comprises a mechanical arm installing seat (1) connected to a screen cleaning machine body, wherein the tail end of the mechanical arm installing seat (1) is connected with a large arm (2), the tail end of the large arm (2) is connected with a telescopic arm (4), the tail end of the telescopic arm (4) is connected with a horizontal guide arm (10) through two stages of swing oil cylinders, a horizontal guide groove fixing mechanism (12) is arranged below the horizontal guide arm (10), and the horizontal guide groove fixing mechanism (12) is used for connecting a horizontal guide groove so as to complete the installation operation of the horizontal guide groove; a large-boom variable-amplitude oil cylinder (3) is connected between the mechanical arm mounting seat (1) and the large boom (2), a telescopic-boom variable-amplitude oil cylinder (5) is connected between the telescopic boom (4) and the large boom (1), and the axes of the two-stage swing oil cylinders are perpendicular to each other.
2. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 1, wherein: the telescopic arm (4) comprises an outer arm and an inner arm sleeved in the outer arm, and a telescopic arm telescopic oil cylinder (4-0) is connected between the inner arm and the outer arm.
3. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 2, wherein: the two-stage oil cylinder comprises a primary spiral oscillating cylinder (6) and a secondary spiral oscillating cylinder (8).
4. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 3, wherein: a primary spiral swinging cylinder (6) is connected to the tail end of the inner arm.
5. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 3, wherein: the primary spiral oscillating cylinder (6) is connected with the secondary spiral oscillating cylinder (8), and the secondary spiral oscillating cylinder (8) is connected with the transverse guide arm (10).
6. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 1, wherein: a transverse sliding arm (11) is embedded in the transverse guide arm (10), and a transverse adjusting hydraulic cylinder is connected between the transverse sliding arm (11) and the transverse guide arm (10).
7. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 1, wherein: the mechanical arm mounting seat (1) is connected to the bottom of the body of the screen scarifier.
8. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 1, wherein: the large arm (2) is connected to the mechanical arm mounting seat (1), the large arm amplitude variation oil cylinder (3) is connected to the mechanical arm mounting seat (1) and the large arm (2), and the telescopic arm (4) is connected to the large arm (1).
9. The mechanical device for installing the horizontal guide groove of the screen scarifier as claimed in claim 2, wherein: the telescopic arm telescopic oil cylinder (4-0) is arranged in the telescopic arm (4).
10. The mounting method of the horizontal guide groove of the screen scarifier is characterized in that: the following steps are performed in sequence:
step S1: clamping of the horizontal guide groove:
a. the mechanical arm mounting base is located at an initial position, and at the moment, the horizontal guide groove is placed at the bottom of the screen cleaning machine; operating a large-arm amplitude-variable oil cylinder to extend the piston end of the large-arm amplitude-variable oil cylinder so as to drive the large arm to rotate to an operation position, and realizing the first amplitude variation of the mechanical device installed in the horizontal guide groove of the screen scarifier;
b. extending the variable-amplitude oil cylinder of the telescopic boom out to enable the telescopic boom to rotate to an operation position, and realizing the secondary variable amplitude of the mechanical device installed in the horizontal guide groove of the screen scarifier;
c. extending a telescopic oil cylinder of a telescopic arm, unfolding the telescopic arm, and then rotating a primary spiral swinging cylinder by a certain angle to enable a horizontal guide groove fixing mechanism to be close to a horizontal guide groove buckle head;
d. repeating the steps a, b and c to gradually approach the horizontal guide groove fixing mechanism and the horizontal guide groove buckle head, and finally accurately aligning to finish clamping;
step S2: the horizontal guide groove penetrates through the steel rail:
e. through the adjustment of the step S1, the horizontal guide groove is positioned between the two sleepers (15), the horizontal guide groove is positioned at a proper height, the bottom surface of the transverse guide arm is parallel to the ground, and then the secondary spiral swinging cylinder is rotated to a proper angle to enable the horizontal guide groove to be inclined to a proper position;
f. then the transverse adjusting oil cylinder extends out, the transverse sliding arm moves a certain distance along the transverse guide arm under the action of the transverse adjusting oil cylinder, one end of the horizontal guide groove penetrates through a steel rail (14) at one side,
g. the other end of the horizontal guide groove also moves below the steel rail (14) by adjusting the movement of the telescopic boom amplitude-changing oil cylinder, the telescopic boom telescopic oil cylinder and the secondary spiral swinging cylinder;
h. then the horizontal guide groove is positioned in the center of the steel rail (14) by controlling the retraction of the transverse adjusting oil cylinder;
step S3: the horizontal guide slot terminal surface aligns with bent angle guide slot terminal surface:
i. the alignment of the end surface of the horizontal guide groove and the end surface of the bent angle guide groove is realized by adjusting the extension and retraction of the large arm amplitude-varying oil cylinder, the telescopic arm telescopic oil cylinder and the primary spiral swinging cylinder,
step S4: fixing a horizontal guide groove and installing an excavating chain:
j. after the end surface of the horizontal guide groove is aligned with the end surface of the bent angle guide groove, the horizontal guide groove is connected with the bent angle guide groove by using a quick connecting pin and a bolt;
k. and after the horizontal guide groove is installed, a chain link is installed, so that the digging chain bypasses the steel rail to form a closed ring shape, and finally, the digging chain is tensioned by a tensioning oil cylinder to complete the installation of the digging chain system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011212.4A CN110872798A (en) | 2018-08-31 | 2018-08-31 | Mechanical device for installing horizontal guide groove of screen scarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011212.4A CN110872798A (en) | 2018-08-31 | 2018-08-31 | Mechanical device for installing horizontal guide groove of screen scarifier |
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| Publication Number | Publication Date |
|---|---|
| CN110872798A true CN110872798A (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011212.4A Pending CN110872798A (en) | 2018-08-31 | 2018-08-31 | Mechanical device for installing horizontal guide groove of screen scarifier |
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| Country | Link |
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| CN (1) | CN110872798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338900A (en) * | 2020-11-05 | 2021-02-09 | 游跃杰 | High-end equipment manufacturing mechanical arm bracket |
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2018
- 2018-08-31 CN CN201811011212.4A patent/CN110872798A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338900A (en) * | 2020-11-05 | 2021-02-09 | 游跃杰 | High-end equipment manufacturing mechanical arm bracket |
| CN112338900B (en) * | 2020-11-05 | 2022-01-04 | 海宁哈工现代机器人有限公司 | High-end equipment manufacturing mechanical arm bracket |
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