CN113551144A - Railway crossing protection equipment - Google Patents
Railway crossing protection equipment Download PDFInfo
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- CN113551144A CN113551144A CN202110813784.XA CN202110813784A CN113551144A CN 113551144 A CN113551144 A CN 113551144A CN 202110813784 A CN202110813784 A CN 202110813784A CN 113551144 A CN113551144 A CN 113551144A
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- telescopic
- cross beam
- rotating assembly
- rotating
- railway crossing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P1/00—Safety devices independent of the control and operation of any machine
- F16P1/02—Fixed screens or hoods
Abstract
The invention discloses a railway crossing protective device, which comprises a vehicle-mounted device and a protective device, wherein the vehicle-mounted device comprises a bearing frame, a bearing hydraulic support leg is arranged on the bearing frame, telescopic mechanisms are arranged at four corners of the bearing frame and controlled by a horizontal telescopic oil cylinder, a horizontal moving platform is arranged above the support leg, a transverse moving mechanism is arranged between the horizontal moving platform and the bearing frame, a lifting mechanism with a scissor fork structure is arranged on the horizontal moving platform, the protective device adopts a combined protective form of a front door-shaped protective frame and a rear door-shaped protective frame which are connected by a longitudinal beam and a protective net, and the vehicle-mounted device and the protective device can be separated for operation. The railway is efficiently protected during the construction operation of crossing the railway.
Description
Technical Field
The invention relates to the field of railway crossing protective equipment, in particular to railway crossing protective equipment.
Background
At present, the crossing safety protection equipment has wide application in various engineering functions, for example, when the electric equipment and the like above railways, highways, bridges and the like are constructed, the crossing safety protection equipment can be used for providing effective protection, the influence of construction operation on the normal operation of the facilities of railways, highways, bridges and the like is avoided, when the construction is carried out at the crossing positions of complex terrains, rivers and the like, the crossing safety protection equipment can also be used for crossing terrains, and the protection of crossing of power lines and railway lines is particularly important.
With the development of railways and power grids, mutual crossing is a normal state, and in the construction process, the crossing frame influences the normal operation of railways. At present, the crossing safety protection equipment generally adopts a scaffold, a telescopic arm type crossing frame, a cableway crossing and the like. Aiming at different and gradually complex protection construction operating environments, the crossing protection equipment has certain limitations, the mechanical degree of the crossing protection equipment is low, and the construction and the dismantling of the protection equipment are time-consuming and labor-consuming; under the premise that the railway construction time is very short, a large amount of manpower, material resources and time are consumed for building the protective frame with the required functions.
Disclosure of Invention
The invention provides a railway crossing protective device; the problem that the construction of the crossing protective equipment in the prior art is time-consuming and labor-consuming is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the railway crossing protective equipment comprises a walking trolley, wherein the walking trolley comprises a walking component and a first bearing platform arranged on the walking component;
the first bearing platform is provided with a first vertical and upward telescopic device, the first telescopic device is provided with a telescopic end and a fixed end, the fixed end is arranged on the first bearing platform, and the telescopic end is provided with a second bearing platform;
the second bearing platform is used for bearing the protection frame; the protective frame comprises a middle connecting beam and first rotating assemblies respectively arranged at two ends of the middle connecting beam, wherein the two first rotating assemblies are respectively provided with a cross beam, so that the cross beam can be driven by the first rotating assemblies to horizontally rotate to be parallel or perpendicular to the middle connecting beam, and the middle connecting beam and the cross beam are positioned on the same horizontal plane;
a second rotating assembly is mounted at one end of the cross beam, a third rotating assembly is mounted at the other end of the cross beam, and supporting beams are mounted on the second rotating assembly and the third rotating assembly; the beam and the supporting beam are positioned on the same vertical plane, and the supporting beam rotates in the vertical plane under the driving of the second rotating assembly and the third rotating assembly.
According to the invention, the crossing protection equipment is transported to a specified position through the walking trolley, the telescopic end of the first telescopic device extends out, and after the second bearing platform rises to the specified position, the first rotating assembly drives the cross beams to rotate until the cross beams on two sides rotate to be parallel to each other and are respectively perpendicular to the middle connecting beam, and then the second rotating assembly and the third rotating assembly are started to enable the supporting beam to rotate to be in a vertically downward state; the first telescopic device retracts, and in the process that the telescopic end of the first telescopic device retracts, one end of the supporting beam is supported on the ground, so that the whole spanning protection equipment is built; after the first telescopic device retracts to the limit state, the walking trolley leaves; when the crossing protective equipment is not needed, the trolley is driven to the position below the crossing protective equipment, the telescopic end of the first telescopic device extends out to support the middle connecting beam, the second rotating assembly and the third rotating assembly, so that the supporting beam rotates to a horizontal state, and the directions of the two ends of the supporting beam and the two ends of the cross beam are the same; and then starting the first rotating assembly to drive the cross beam to rotate to a state parallel to the middle connecting beam, and starting the first telescopic device to retract the telescopic end to complete the recovery of the crossing protective equipment.
Furthermore, the second rotating assembly and the third rotating assembly are both provided with linear moving assemblies which drive the supporting beam to move along the length direction of the supporting beam. The length of the recovered spanning protective equipment is limited by arranging the linear moving assembly.
When the spanning protection equipment needs to be recovered, the middle connecting beam is supported through the first telescopic device on the walking trolley; after the support is finished, the linear moving assembly is started, so that the support beam moves vertically upwards; after the beam moves to a preset position, the second rotating assembly and the third rotating assembly respectively drive the supporting beam driven by the second rotating assembly and the third rotating assembly to rotate to a state parallel to the beam; through the action process, the length of the recovered crossing protective equipment is reduced after the linear moving assembly is arranged.
In the erecting process, after the second rotating assembly and the third rotating assembly are started to enable the supporting beam to rotate to a vertically downward state, the linear moving assembly needs to be started to enable the supporting beam to vertically move downward.
Furthermore, a locking assembly for preventing the whole spanning protection equipment from displacing is arranged on the second bearing platform. By arranging the locking assembly, the whole spanning protective equipment is prevented from falling off when the first telescopic device jacks the spanning protective equipment to a preset position; and the whole spanning protective equipment can be prevented from falling off in the process of corresponding movement of the cross beam and the supporting beam.
Furthermore, two pairs of second telescopic devices are mounted on the first bearing platform, the two pairs of second telescopic devices are respectively mounted at the front end and the rear end of the first bearing platform, and the telescopic ends of the two second telescopic devices belonging to the same pair respectively extend out of the two sides of the first bearing platform; the fixed end of the first telescopic device is arranged between the two telescopic ends extending out of the same side of the first bearing platform.
The first telescopic device is arranged between the telescopic ends of the second telescopic devices, so that the first telescopic device can be driven to move to any side of the lower vehicle through the second telescopic devices; an appropriate support location is selected across the support beams of the protective equipment.
Still further, the telescopic end heads of the second telescopic devices are all provided with third telescopic devices which are vertically downward.
When the extending end of the first telescopic device extends out to adjust and span the supporting position of the protective equipment, the stress on two sides of the walking trolley is changed, and the walking trolley can turn over laterally; therefore, a third telescopic device which is vertically downward is arranged at the head part of the telescopic end of each second telescopic device, and the telescopic end of the third telescopic device extends out of the supporting ground to prevent the walking trolley from turning on one side.
Preferably, the second telescopic device comprises a telescopic end and a fixed end which are mutually sleeved, a rack is arranged in the length direction of the telescopic end, and the telescopic end is controlled to stretch and retract by driving a gear meshed with the rack to rotate through a motor.
Preferably, the motor is connected with the third rotating shaft through a coupler, the third rotating shaft is provided with two gears, and the two gears are respectively meshed with the racks on the two telescopic ends belonging to the same side. The telescopic ends of the two telescopic devices which can extend out to the same side are driven by one motor to move synchronously, so that the manufacturing cost of the whole device is effectively reduced.
Preferably, the first rotating assembly comprises a fourth telescoping device mounted on the intermediate connecting beam; the fixed end of the fourth telescopic device is rotatably arranged on the middle connecting beam, the telescopic end is rotatably arranged on the cross beam, and the cross beam is rotatably connected with the end head of the middle connecting beam; two fourth telescoping devices installed on the middle connecting beam are respectively located on the opposite side faces of the middle connecting beam.
Compared with the prior art, the invention has the beneficial effects that: the crossing protection device is stable and reliable in overall structure, convenient to transport and high in adaptability to different construction places, and by arranging the telescopic devices and the rotating assemblies, the crossing protection device is quickly built and quickly recovered, the labor and time cost of crossing railway construction operation is greatly reduced, and the construction operation efficiency is effectively improved.
Drawings
FIG. 1 is a schematic view of the present invention in a deployed state of the straddle shield apparatus.
FIG. 2 is a schematic view of the detail A in FIG. 1 according to the present invention.
FIG. 3 is a schematic view of the step-over protective equipment of the present invention in a deployed state.
FIG. 4 is a detailed view of portion B of FIG. 3 according to the present invention.
FIG. 5 is a schematic view of the step-over protective equipment of the present invention in a deployed state.
FIG. 6 is a schematic view of the invention shown in detail in section C of FIG. 5.
Figure 7 is a top view of the step-over protective equipment of the present invention in a deployed condition.
FIG. 8 is a schematic view of the invention shown in detail D in FIG. 7.
Figure 9 is a bottom view of the step-over protective equipment of the present invention.
FIG. 10 is a schematic view of the invention shown in detail E of FIG. 9.
Fig. 11 is a detailed schematic view of the walking trolley of the invention.
Fig. 12 is a schematic view of the invention shown in detail in section F of fig. 11.
Fig. 13 is a schematic drawing of the step-over protective equipment of the present invention.
Fig. 14 is a schematic view of the crossing protective equipment of the present invention after being laid with a protective net;
description of reference numerals: 1. a walking trolley; 2. a first load-bearing platform; 3. a third telescoping device; 4. a first telescoping device; 5. a middle connecting beam; 6. a first rotating assembly; 601. a fourth telescoping device; 602. a first rotating shaft; 603. a connecting frame; 7. a cross beam; 701. a second cross member; 702. a first cross member; 8. a second telescoping device; 801. a rack; 9. a support beam; 10. a second load-bearing platform; 11. a fifth telescoping device; 12. a first link; 13. a second link; 14. a roller chain; 15. a limiting frame; 16. a binaural seat; 17. a second rotating shaft; 18. a limiting groove; 19. a third rotating shaft; 20. a locking assembly.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings 1 to 14;
a railway crossing protective device comprises a walking trolley 1, wherein the walking trolley 1 comprises a walking component and a first bearing platform 2 arranged on the walking component; the running assembly can be designed with reference to the bogie and wheel set of the existing railway vehicle, so that the running trolley 1 can run on the track.
The first bearing platform 2 is provided with a first telescopic device 4 which is vertically upward, the first telescopic device 4 is provided with a telescopic end and a fixed end, the fixed end is arranged on the first bearing platform 2, and the telescopic end is provided with a second bearing platform 10;
the first telescopic device 4 and the second bearing platform 10 form a lifting platform, and the lifting platform can also adopt the existing lifting platform; such as the scissor lift platform shown in fig. 1; it is not excluded that the first telescopic device 4 drives the second carrying platform 10 to move up and down, for example: the first telescopic device 4 adopts a telescopic hydraulic cylinder, an electric push rod and a telescopic cylinder, and preferably adopts the telescopic hydraulic cylinder for jacking.
The second bearing platform 10 is used for bearing a protective frame; the protective frame comprises a middle connecting beam 5 and first rotating assemblies 6 respectively arranged at two ends of the middle connecting beam 5, wherein the two first rotating assemblies 6 are respectively provided with a cross beam 7, so that the cross beam 7 can be driven by the first rotating assemblies 6 to horizontally rotate to be parallel or perpendicular to the middle connecting beam 5, and the middle connecting beam 5 and the cross beam 7 are positioned on the same horizontal plane;
as shown in fig. 1 and 2, the first rotating assembly 6 includes a fourth telescopic device 601 mounted on the intermediate connecting beam 5; the fixed end of the fourth telescopic device 601 is rotatably installed on the middle connecting beam 5, the telescopic end is rotatably installed on the cross beam 7, and the cross beam 7 is rotatably connected with the end position of the middle connecting beam 5; two fourth telescopic devices 601 mounted on the intermediate connection beam 5 are respectively located on opposite sides of the intermediate connection beam 5. The fourth telescopic device 601 may adopt a telescopic hydraulic cylinder, an electric push rod, a telescopic cylinder, and preferably adopts a telescopic hydraulic cylinder.
Referring to fig. 2, a connecting frame 603 is mounted on the cross beam 7, and the connecting frame 603 is rotatably connected to the intermediate connecting beam 5 through a first rotating shaft 602.
A second rotating assembly is mounted at one end of the cross beam 7, a third rotating assembly is mounted at the other end of the cross beam, and supporting beams 9 are mounted on the second rotating assembly and the third rotating assembly; the cross beam 7 and the supporting beam 9 are located on the same vertical plane, and the supporting beam 9 rotates in the vertical plane under the driving of the second rotating assembly and the third rotating assembly.
According to the invention, the crossing protection equipment is transported to a specified position through the walking trolley 1, the telescopic end of the first telescopic device 4 extends out, after the second bearing platform 10 is lifted to the specified position, the first rotating assembly 6 drives the cross beam 7 to rotate until the cross beams 7 at two sides are rotated to be parallel to each other and are respectively perpendicular to the middle connecting beam 5, and then the second rotating assembly and the third rotating assembly are started, so that the supporting beam 9 is rotated to be in a vertically downward state; the first telescopic device 4 retracts, and in the process that the telescopic end of the first telescopic device 4 retracts, one end of the supporting beam 9 is supported on the ground, so that the whole spanning protection equipment is built; after the construction is finished, a protective net can be laid on the whole spanning protective equipment according to the requirement (see the attached figure 14); after the first telescopic device 4 retracts to the limit state, the walking trolley 1 leaves; when the crossing protective equipment is not needed, the trolley is driven to the position below the crossing protective equipment, the telescopic end of the first telescopic device 4 extends out to support the middle connecting beam 5, the second rotating assembly and the third rotating assembly, so that the supporting beam 9 rotates to a horizontal state, and the directions of the two ends of the supporting beam 9 and the two ends of the cross beam 7 are the same; and then starting the first rotating assembly 6 to drive the cross beam 7 to rotate to a state parallel to the intermediate connecting beam 5, and starting the first telescopic device 4 to retract the telescopic end to complete the recovery of the crossing protective equipment.
Referring to fig. 3 and 4, the second rotating assembly includes a fifth telescopic device 11, a first connecting rod 12, a second connecting rod 13, a second rotating shaft 17 and a limiting frame 15; the fixed end of the fifth telescopic device 11 is rotatably mounted on the cross beam 7, the telescopic end is rotatably mounted on the first connecting rod 12, one end of the first connecting rod 12 close to the ground is rotatably mounted at one end of the second connecting rod 13, and the other end of the second connecting rod 13 is rotatably mounted at one end of the limiting frame 15 far away from the cross beam 7; the other end of the first connecting rod 12 is rotatably arranged at one end of the limiting frame 15 close to the cross beam 7; the supporting beam 9 is inserted into the limiting frame 15, so that the limiting frame 15 is effectively prevented from toppling.
Referring to fig. 7 and 8, two groups of fifth telescopic devices 11, first connecting rods 12 and second connecting rods 13 are arranged on two sides of the cross beam 7; the second rotating shaft 17 is rotatably arranged between the two first connecting rods 12; a second rotating shaft 17 is also installed between the two second connecting rods 13.
Referring again to fig. 3 and 4, when the fifth telescopic device 11 is in the extended extreme state, the support beam 9 is directed vertically downwards; when the fifth expansion device 11 is retracted, the supporting beam 9 rotates counterclockwise until it is located below the cross beam 7 and parallel to the cross beam 7.
Referring to fig. 5 and 6, the third rotating assembly includes a fifth telescopic device 11, a limiting groove 18 and a second rotating shaft 17; the fixed end of the fifth telescopic device 11 is rotatably mounted on the cross beam 7, the telescopic end is rotatably mounted at the back of the limiting groove 18, and one end of the limiting groove 18, which is far away from the ground, is rotatably connected with the cross beam 7 through a second rotating shaft 17; the supporting beam 9 is arranged in the limiting groove 18; the limiting groove 18 is provided with a limiting part for preventing the supporting beam 9 from toppling; for example: the limiting groove 18 is a T-shaped groove; correspondingly, a T-shaped sliding table is arranged in the length direction of the supporting beam 9; the support beam 9 is prevented from falling down. The T-shaped sliding table is arranged along the length direction of the supporting beam 9.
Referring to fig. 6, when the fifth telescopic device 11 is in the retracted limit state, the supporting beam 9 is vertically oriented towards the ground, when the fifth telescopic device 11 is extended, the supporting beam 9 rotates counterclockwise, and as can be seen from fig. 6, the upper part of the cross beam 7 is provided with an opening, so that the supporting beam 9 can pass through the opening to be prevented from being above the cross beam 7 after rotating against the needles.
Furthermore, the second rotating assembly and the third rotating assembly are both provided with linear moving assemblies which drive the supporting beam 9 to move along the length direction of the second rotating assembly and the third rotating assembly. The length of the recovered spanning protective equipment is limited by arranging the linear moving assembly.
Referring to fig. 4, the linear moving assembly comprises two sets of double-lug seats 16 installed at one end of the limiting frame 15 far away from the cross beam 7, rotating shafts are installed in the double-lug seats 16 through bearings, chain wheels are installed on the bearings, and the chain wheels are matched with roller chains 14 arranged along the length direction of the supporting beam 9. The rotating shaft is driven to rotate only through the motor, so that the chain wheel is driven to rotate, and the supporting beam 9 can linearly move back and forth along the length direction of the supporting beam through the matching of the chain wheel and the roller chain 14. Of course, the linear moving assembly can also adopt a mode that a gear and a rack are mutually matched; the telescopic device can also be adopted, for example, a telescopic hydraulic cylinder is adopted, the fixed end of the telescopic hydraulic cylinder is arranged on the limiting frame 15, and the telescopic end is arranged on the supporting beam 9, so that the supporting beam 9 can move back and forth along the straight line in the length direction.
The difference between the linear motion assembly shown in fig. 6 and the linear motion assembly shown in fig. 4 is that the binaural block 16 is mounted in a different position, and in fig. 6, the binaural block 16 is mounted at the back of the restraint slot 18.
When the spanning protection equipment needs to be recovered, the middle connecting beam 5 is supported by the first telescopic device 4 on the walking trolley 1; after the support is finished, the linear moving assembly is started, so that the support beam 9 makes vertical upward movement; after moving to a preset position, the second rotating assembly and the third rotating assembly respectively drive the supporting beam 9 driven by the second rotating assembly and the third rotating assembly to rotate to a state parallel to the cross beam 7; through the action process, the length of the recovered crossing protective equipment is reduced after the linear moving assembly is arranged.
During the erecting process, after the second rotating assembly and the third rotating assembly are started to enable the supporting beam 9 to rotate to a vertically downward state, the linear moving assembly needs to be started to enable the supporting beam 9 to move vertically downward.
Further, a locking assembly 20 for preventing displacement of the entire spanning protective equipment is provided on the second load-bearing platform 10. By arranging the locking assembly 20, the whole spanning protective equipment is prevented from falling off when the first telescopic device 4 jacks the spanning protective equipment to a preset position; and can also prevent the cross beam 7 and the supporting beam 9 from falling off during the corresponding movement.
Referring to fig. 7, the locking assembly 20 includes sixth telescopic devices oppositely disposed at both sides of the second loading platform 10, and the intermediate connection beam 5 is clamped by the sixth telescopic devices at both sides of the second loading platform 10. The sixth telescopic device can adopt a telescopic hydraulic cylinder, an electric push rod and a telescopic cylinder, and preferably adopts a telescopic hydraulic cylinder.
Referring to fig. 1, fig. 3, fig. 5 and fig. 7, further, two pairs of second telescopic devices 8 are mounted on the first bearing platform 2, the two pairs of second telescopic devices 8 are respectively mounted at the front end and the rear end of the first bearing platform 2, and the telescopic ends of the two second telescopic devices 8 belonging to the same pair respectively extend out from the two sides of the first bearing platform 2; a fixed end of a first telescopic device 4 is arranged between two telescopic ends extending out from the same side of the first bearing platform 2. A pair of second telescopic devices 8 which are respectively arranged at the front end and the rear end of the first bearing platform 2 can be respectively replaced by two-way telescopic oil cylinders; the device can also be arranged by using a one-way telescopic oil cylinder, an electric push rod or a telescopic air cylinder and referring to the description.
The first telescopic device 4 is arranged between the telescopic ends of the two second telescopic devices 8 at the same side, so that the first telescopic device 4 can be driven to move to any side of the getting-off vehicle through the second telescopic devices 8; a suitable support position is selected across the support beams 9 of the protective equipment.
Still further, the telescopic end heads of the second telescopic devices 8 are all provided with third telescopic devices 3 which are vertically downward.
When the extending end of the first telescopic device 4 extends out to adjust and span the supporting position of the protective equipment, the stress on the two sides of the walking trolley 1 changes, and the walking trolley 1 may turn over; therefore, the third telescopic device 3 which is vertically downward is arranged at the head part of the telescopic end of each second telescopic device 8, and the telescopic end of the third telescopic device 3 extends out of the supporting ground to prevent the walking trolley 1 from turning on one side.
Referring to fig. 11 and 12, the second telescopic device 8 includes a telescopic end and a fixed end that are sleeved with each other, a rack 801 is disposed along a length direction of the telescopic end, and a gear engaged with the rack 801 is driven by a motor to rotate to control the telescopic end to be telescopic.
Preferably, the motor is connected with the third rotating shaft 19 through a coupler, and two gears are mounted on the third rotating shaft 19, and the two gears are respectively meshed with the racks 801 on the two telescopic ends belonging to the same side. The telescopic ends of the two telescopic devices which can extend out to the same side are driven by one motor to move synchronously, so that the manufacturing cost of the whole device is effectively reduced.
Referring to fig. 9 and 10, the cross beams 7 are of a telescopic structure, each of the two cross beams 7 includes a first cross beam 702 and a second cross beam 701, a double-lug seat 16 is arranged on the first cross beam 702, a rotating shaft is mounted on the double-lug seat 16 through a bearing, a chain wheel is mounted on the rotating shaft, a roller chain 14 is arranged in the length direction of the second cross beam 701, the chain wheel is matched with the roller chain 14, so that the rotating shaft is driven to rotate by a motor, and the second cross beam 701 can move in the length direction of the second cross beam 701 under the matching action of the chain wheel and the roller chain 14. The sprocket and roller chains 14 can be replaced by gears and racks; certainly, a telescopic device can be arranged to drive the second cross beam 701 to move, and only the fixed end of the telescopic device needs to be installed on the first cross beam 702, and the telescopic end is installed on the second cross beam 701 of the soda search fox. Such as a telescopic hydraulic cylinder, an electric push rod, a telescopic cylinder.
Referring to fig. 13, fig. 13 is a schematic view showing the state in which the step-over protective equipment of the present invention is retracted on the walking trolley; when contracted, the intermediate connecting beam 5, the cross beam 7 and the supporting beam 9 are all in the same horizontal plane and are parallel to each other.
The terms "first," "second," "third," and the like in the present disclosure are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the description as a whole may be combined as appropriate to form other embodiments as may be understood by those skilled in the art.
Claims (10)
1. A railway crossing protection device is characterized in that: the device comprises an intermediate connecting beam (5) and first rotating assemblies (6) respectively arranged at two ends of the intermediate connecting beam (5), wherein the two first rotating assemblies (6) are respectively provided with a cross beam (7), so that the cross beam (7) can be driven by the first rotating assemblies (6) to horizontally rotate to be parallel to or perpendicular to the intermediate connecting beam (5), and the intermediate connecting beam (5) and the cross beam (7) are positioned on the same horizontal plane;
a second rotating assembly is mounted at one end of the cross beam (7), a third rotating assembly is mounted at the other end of the cross beam, and supporting beams (9) are mounted on the second rotating assembly and the third rotating assembly; the cross beam (7) and the supporting beam (9) are located on the same vertical plane, and the supporting beam (9) rotates in the vertical plane under the driving of the second rotating assembly and the third rotating assembly.
2. The railway crossing protection installation of claim 1, wherein: the first rotating assembly (6) comprises a fourth telescopic device (601) mounted on the intermediate connecting beam (5); the fixed end of the fourth telescopic device (601) is rotatably arranged on the middle connecting beam (5), the telescopic end is rotatably arranged on the cross beam (7), and the cross beam (7) is rotatably connected with the end position of the middle connecting beam (5); two fourth telescopic devices (601) arranged on the middle connecting beam (5) are respectively positioned on the opposite side surfaces of the middle connecting beam (5).
3. A railway crossing protection installation according to claim 2, wherein: the beam (7) is provided with a connecting frame (603), and the connecting frame (603) is rotatably connected with the middle connecting beam (5) through a first rotating shaft (602).
4. The railway crossing protection installation of claim 1, wherein: the second rotating assembly comprises a fifth telescopic device (11), a first connecting rod (12), a second connecting rod (13), a second rotating shaft (17) and a limiting frame (15); the fixed end of the fifth telescopic device (11) is rotatably arranged on the cross beam (7), the telescopic end is rotatably arranged on the first connecting rod (12), one end, close to the ground, of the first connecting rod (12) is rotatably arranged at one end of the second connecting rod (13), and the other end of the second connecting rod (13) is rotatably arranged at one end, far away from the cross beam (7), of the limiting frame (15); the other end of the first connecting rod (12) is rotatably arranged at one end, close to the cross beam (7), of the limiting frame (15); the supporting beam (9) is inserted into the limiting frame (15).
5. The railway crossing protection device of claim 4, wherein: two groups of fifth telescopic devices (11), two groups of first connecting rods (12) and two groups of second connecting rods (13) are arranged and are respectively positioned on two sides of the cross beam (7); the second rotating shaft (17) is rotatably arranged between the two first connecting rods (12); and a second rotating shaft (17) is also arranged between the two second connecting rods (13).
6. The railway crossing protection installation of claim 1, wherein: the third rotating assembly comprises a fifth telescopic device (11), a limiting groove (18) and a second rotating shaft (17); the fixed end of the fifth telescopic device (11) is rotatably arranged on the cross beam (7), the telescopic end is rotatably arranged at the back of the limiting groove (18), and one end, far away from the ground, of the limiting groove (18) is rotatably connected with the cross beam (7) through a second rotating shaft (17); the supporting beam (9) is arranged in the limiting groove (18); the limiting groove (18) is provided with a limiting part for preventing the supporting beam (9) from toppling.
7. The railway crossing protection installation of claim 1, wherein: and the second rotating assembly and the third rotating assembly are both provided with linear moving assemblies which drive the supporting beam (9) to move along the length direction of the second rotating assembly and the third rotating assembly.
8. The railway crossing protection installation of claim 7, wherein: the linear moving assembly comprises two groups of double-lug seats (16) which are arranged at one end of a limiting frame (15) far away from one end of a cross beam (7), a rotating shaft is arranged in each double-lug seat (16) through a bearing, a chain wheel is arranged on the rotating shaft, and the chain wheel is matched with a roller chain (14) arranged along the length direction of a supporting beam (9).
9. The railway crossing protection installation of claim 7, wherein: the linear moving assembly comprises two groups of double-lug seats (16) arranged at the back of a limiting groove (18), rotating shafts are arranged in the double-lug seats (16) through bearings, chain wheels are arranged on the rotating shafts, and the chain wheels are matched with roller chains (14) arranged along the length direction of the supporting beam (9).
10. The railway crossing protection installation of any one of claims 1 to 9, wherein: crossbeam (7) adopt extending structure, and two crossbeams (7) all include first crossbeam (702) and second crossbeam (701), are provided with binaural seat (16) on first crossbeam (702), install the pivot through the bearing on binaural seat (16), install the sprocket in the pivot, lay roller chain (14) on the length direction of second crossbeam (701), sprocket and roller chain (14) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813784.XA CN113551144B (en) | 2021-07-19 | 2021-07-19 | Railway crossing protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813784.XA CN113551144B (en) | 2021-07-19 | 2021-07-19 | Railway crossing protection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113551144A true CN113551144A (en) | 2021-10-26 |
| CN113551144B CN113551144B (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110813784.XA Active CN113551144B (en) | 2021-07-19 | 2021-07-19 | Railway crossing protection equipment |
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| US20040222042A1 (en) * | 2003-05-08 | 2004-11-11 | Van Der Pol Paul | Self-stabilizing trestle |
| CN203813323U (en) * | 2014-04-29 | 2014-09-03 | 国家电网公司 | Folding bracing frame for power transmission line crossing rack |
| US20150246643A1 (en) * | 2012-09-18 | 2015-09-03 | Avrahahm Y. LEVI | Vehicle roof rack with collapsible handrail assembly |
| CN208166428U (en) * | 2018-05-11 | 2018-11-30 | 广州西南交大研究院有限公司 | Crossing construction protective gear and cross-line construction system comprising it |
| CN110137857A (en) * | 2019-06-28 | 2019-08-16 | 沈阳建筑大学 | A kind of vehicle-mounted rotatable extended position power ride-through frame |
| WO2020201400A1 (en) * | 2019-04-05 | 2020-10-08 | Liebherr-Werk Biberach Gmbh | Building and/or material handling machine and method for guiding and moving a working head |
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|---|---|---|---|---|
| US20040144055A1 (en) * | 2003-01-21 | 2004-07-29 | Steve Lewison | Modular truss system with a nesting storage configuration |
| US20040222042A1 (en) * | 2003-05-08 | 2004-11-11 | Van Der Pol Paul | Self-stabilizing trestle |
| US20150246643A1 (en) * | 2012-09-18 | 2015-09-03 | Avrahahm Y. LEVI | Vehicle roof rack with collapsible handrail assembly |
| CN203813323U (en) * | 2014-04-29 | 2014-09-03 | 国家电网公司 | Folding bracing frame for power transmission line crossing rack |
| CN208166428U (en) * | 2018-05-11 | 2018-11-30 | 广州西南交大研究院有限公司 | Crossing construction protective gear and cross-line construction system comprising it |
| WO2020201400A1 (en) * | 2019-04-05 | 2020-10-08 | Liebherr-Werk Biberach Gmbh | Building and/or material handling machine and method for guiding and moving a working head |
| CN110137857A (en) * | 2019-06-28 | 2019-08-16 | 沈阳建筑大学 | A kind of vehicle-mounted rotatable extended position power ride-through frame |
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|---|---|
| CN113551144B (en) | 2022-07-22 |
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