CN114368399A - Split trolley for detecting center of reverse-thread limiting steel rail - Google Patents
Split trolley for detecting center of reverse-thread limiting steel rail Download PDFInfo
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- CN114368399A CN114368399A CN202210062456.5A CN202210062456A CN114368399A CN 114368399 A CN114368399 A CN 114368399A CN 202210062456 A CN202210062456 A CN 202210062456A CN 114368399 A CN114368399 A CN 114368399A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a split trolley for detecting the center of a reverse-thread limiting steel rail, belonging to the technical field of rail detection vehicles, and comprising: the rectangular base plate is movably connected with four first needle roller bearings at equal intervals, and sliding grooves are symmetrically formed in two sides of the top end of the base plate; the two screw rod seats are respectively installed at the tops of the sliding grooves, the screw rod seats are connected with a threaded rod in a penetrating mode, the threaded rod can rotate in a penetrating portion of the screw rod seats, threads on the threaded rod on two sides of each screw rod seat are arranged in a reverse mode, and the direction of the sliding grooves is the same as that of the threaded rod; two sliders run through respectively set up in on the threaded rod of screw rod seat both sides, the threaded rod with the portion of running through of slider passes through screw-thread fit. This spacing rail center of inverse thread detects components of a whole that can function independently dolly can drive the bearing synchronous motion of both sides through rotatory threaded rod, makes the vertical center of prism and the center coincidence of rail.
Description
Technical Field
The invention relates to the technical field of track detection vehicles, in particular to a split trolley for detecting the center of a reverse-thread limiting steel rail.
Background
The track inspection vehicle is used for detecting the geometric state and the irregularity condition of a track so as to evaluate special vehicles with the geometric state of the track, which is called track inspection vehicle for short. It is an important tool for ensuring the safety, stability and comfort of driving and maintaining the finger guide rail.
According to the record of the rail inspection vehicle, the place with poor smooth state of the rail can be found, so that emergency repair or speed limit measures can be taken, the mileage paragraph to be subjected to planned maintenance is determined, the maintenance operation plan is compiled, and the measured data can be used for fine adjustment of the rail of a newly-built railway and a single rail of a crane.
However, the existing track inspection vehicle often cannot install the vehicle body on the steel rail well, and after the installation, the position of the track inspection vehicle often needs to be carefully adjusted to finish the detection work, so that the detection process is complex and troublesome.
Disclosure of Invention
The invention mainly aims to provide a reverse-thread limiting steel rail center detection split trolley, and aims to solve the technical problems that the existing rail inspection trolley cannot well install a trolley body on a steel rail, the position of the rail inspection trolley is required to be carefully adjusted after the existing rail inspection trolley is installed, the detection work can be completed, and the detection process is complex and troublesome.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
spacing rail center of left-hand thread detects components of a whole that can function independently dolly, it includes:
the rectangular base plate is movably connected with four first needle roller bearings at equal intervals, and sliding grooves are symmetrically formed in two sides of the top end of the base plate;
the two screw rod seats are respectively installed at the tops of the sliding grooves, the screw rod seats are connected with a threaded rod in a penetrating mode, the threaded rod can rotate in a penetrating portion of the screw rod seats, threads on the threaded rod on two sides of each screw rod seat are arranged in a reverse mode, and the direction of the sliding grooves is the same as that of the threaded rod;
two sliders run through respectively set up in on the threaded rod of screw rod seat both sides, the threaded rod with the portion of running through of slider passes through screw-thread fit, slider swing joint is inside the spout, the polished rod is installed to the tip of threaded rod, and polished rod and threaded rod mutually perpendicular, two the second bearing mount pad is installed along the direction of symmetry to the bottom of slider, be provided with the slot on the second bearing mount pad, the inside connecting plate that has pegged graft of slot, the one end that the second bearing mount pad was kept away from to the connecting plate has set firmly first bearing mount pad, the bottom swing joint of bearing mount pad has second bearing, two one side that the second bearing mount pad is close to mutually all is provided with spacing alarm mechanism, spacing alarm mechanism pegs graft with the connecting plate.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the top end of the bottom plate is provided with a prism, and the center of the prism is coincided with the center of the bottom plate.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the first needle bearing and the second needle bearing are perpendicular to each other, and the first needle bearing is perpendicular to the top surface of the steel rail.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: and a handle is arranged on one side of the top end of the bottom plate, and an anti-slip sleeve is arranged on the handle.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the inside swing joint of screw rod seat has the screw rod sleeve, screw rod muffjoint has the one end of threaded rod.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the top of polished rod is provided with spacing head end, the split pin is installed to the bottom of polished rod.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the first needle bearing and the second needle bearing are both of an insulating structure, and are polyurethane rubber-coated bearings.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the slider and the bearing installation seat are respectively located above and below the bottom plate, and the slider and the bearing installation seat can not move up and down through the sliding grooves.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the polished rods are two and are respectively arranged at two ends of the threaded rod.
As the preferred scheme of the split trolley for detecting the center of the reverse-thread limit steel rail, the invention comprises the following steps: the limiting alarm mechanism comprises a threaded sleeve, a threaded rod, a fixed plate, a first movable plate, a first spring, a fixed box, an alarm, a second movable plate, a pressing block, a pressing switch, a ball bearing, a connecting box, a second spring and an insertion rod, wherein the fixed box is fixedly connected with a second bearing mounting seat, the first movable plate is slidably connected inside the fixed box, the insertion rod is fixedly arranged on the first movable plate in a penetrating manner, the bottom end of the insertion rod extends to the lower part of the fixed box and is connected with the connecting plate in an inserting manner, the top end of the insertion rod extends to the upper part of the fixed box and is fixedly connected with the alarm, a first spring is arranged inside the fixed box, the first spring is sleeved on the insertion rod, one end of the first spring is fixedly connected with the fixed box, the other end of the first spring is fixedly connected with the first movable plate, the fixed plate is arranged above the alarm, the threaded sleeve is fixedly arranged on the fixed plate in a penetrating manner, and is connected with the threaded rod inside the threaded sleeve, threaded rod bottom cover is equipped with ball bearing, the ball bearing bottom has set firmly the connecting box, connecting box and second bearing mount pad sliding connection, the inside sliding connection of connecting box has the second fly leaf, second fly leaf top is connected with the connecting box through a plurality of second springs, second fly leaf top has set firmly presses the briquetting, be provided with press switch according to briquetting top, press switch and connecting box rigid coupling, press switch and alarm electric connection, the alarm top is located the connecting box inside and contacts with the second fly leaf.
The invention has the following beneficial effects: when the detection vehicle is used, the threaded rod is rotated to enable the left and right sliding blocks to be tensioned, so that the second needle roller bearings are attached to two sides of the steel rail, the sliding blocks can be driven to apply a pair of forces with opposite directions and equal magnitudes when the threaded rod rotates, the left and right second needle roller bearings can be driven to simultaneously extend and retract, and the vertical center of the prism is always coincident with the center of the steel rail;
the split trolley for detecting the center of the reversed-thread limiting steel rail can drive the bearings on the two sides to synchronously move by rotating the threaded rod, so that the vertical center of the prism is overlapped with the center of the steel rail, and at the moment, whether the spatial position of the center of the steel rail is consistent with the design or not can be known by measuring the plane coordinate and the elevation of the prism by using a total station;
through being connected of inserted bar and connecting plate, be convenient for conveniently continue to take off second bearing, thereby can be after second bearing damages can be simply convenient dismantle it get off, change, thereby not influence work efficiency, and through the control connection box, can carry on spacingly to the inserted bar on the one hand, avoid appearing the phenomenon that inserted bar and connecting plate pine take off in the use, on the other hand is with the help of the alarm, can be timely learn whether there is the sign that the pine takes off in the use, thereby can in time handle.
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 present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an isometric view of the present invention without the handle;
FIG. 2 is a side view of the present invention;
FIG. 3 is an isometric view of a base plate of the present invention;
FIG. 4 is a front view of the movable member of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 4 according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | First needle bearing |
| 120 | |
130 | Prism |
| 140 | |
150 | |
| 200 | |
210 | Threaded |
| 211 | |
220 | |
| 230 | |
231 | |
| 240 | First bearing |
250 | Second needle bearing |
| 260 | Inserting |
261 | Second bearing |
| 262 | |
263 | Threaded |
| 264 | |
265 | Connecting |
| 266 | First |
267 | |
| 268 | |
269 | |
| 270 | Second |
271 | |
| 272 | |
273 | Ball bearing |
| 274 | |
275 | |
| 276 | Inserted link |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a split trolley for detecting the center of a reverse-thread limiting steel rail, which can drive bearings on two sides to move synchronously by rotating a threaded rod 210, so that the vertical center of a prism 130 is overlapped with the center of the steel rail;
referring to figures 1-5 of the drawings,
the needle roller bearing assembly comprises a base plate 100, four first needle roller bearings 110 are rotatably connected in an equidistant rectangular manner, and sliding grooves 120 are symmetrically formed in two sides of the top end of the base plate 100;
the two screw seats 200 are respectively connected to the top of the sliding groove 120 through bolts, the screw seats 200 are connected with threaded rods 210 in a penetrating manner, the threaded rods 210 can rotate in penetrating portions of the screw seats 200, threads on the threaded rods 210 on two sides of the screw seats 200 are arranged in a reverse direction, and the direction of the sliding groove 120 is the same as that of the threaded rods 210;
the two sliding blocks 220 are respectively arranged on the threaded rods 210 at the two sides of the screw rod seat 200 in a penetrating manner, the threaded rods 210 are in threaded fit with the penetrating parts of the sliding blocks 220, the sliding blocks 220 are slidably connected inside the sliding grooves 120, the end parts of the threaded rods 210 are connected with the polished rods 230 in an embedded manner, the polished rods 230 are perpendicular to the threaded rods 210, the bottom ends of the two sliding blocks 220 are connected with bearing installation seats 240 through bolts along a symmetrical direction, one side of the top end of each bearing installation seat 240 is attached to the bottom end of the bottom plate 100, and the bottom end of each bearing installation seat 240 is rotatably connected with a second needle bearing 250;
the base plate 100 is used for mounting other devices above, the first needle bearing 110 is used for enabling the base plate 100 to slide along a steel rail, the sliding groove 120 is used for providing a channel for the sliding block 220 to slide, the screw rod seat 200 is used for connecting the threaded rod 210, the threaded rod 210 is used for rotating along the screw rod seat 200 and driving the sliding block 220 to slide, the sliding block 220 is used for limiting the sliding block 220 which can only horizontally move to move along the sliding groove 120 when the threaded rod 210 rotates on the sliding block 220, the smooth rod 230 is used for driving the threaded rod 210 to rotate, the bearing mounting seat 240 is used for mounting the second needle bearing 250 and slides along with the sliding block 220, and the second needle bearing 250 is used for limiting the rail car to move on the steel rail;
when the detection vehicle is used specifically, during work, the four first needle roller bearings 110 directly walk on a steel rail, the four second needle roller bearings 250 walk on the side surface of the steel rail, before work is carried out, the polish rods 230 on two sides are pulled, the polish rods 230 drive the threaded rods 210 to rotate, the threaded rods 210 rotate on the screw rod seats 200 and enable the threaded rods 210 to rotate on the sliding blocks 220, as the sliding blocks 220 are limited by the sliding grooves 120 and can only move linearly, the threaded rods 210 enable the left sliding blocks 220 and the right sliding blocks 220 to be opened simultaneously, the two sliding blocks 220 drive the bearing mounting seats 240 to move, the bearing mounting seats 240 drive the second needle roller bearings 250 to move, then the detection vehicle is placed on the steel rail, at the moment, the threaded rods 210 are rotated to enable the left sliding blocks 220 and the right sliding blocks 220 to be tensioned, the second needle roller bearings 250 are attached to two sides of the steel rail, the threaded rods 210 can drive the sliding blocks 220 to apply a pair of opposite forces with equal magnitude so as to drive the left and right second needle roller bearings 250 to simultaneously extend and retract, the vertical center of the prism 130 is always coincided with the center of the steel rail;
the limiting alarm mechanism comprises a threaded sleeve 262, a threaded rod 263, a fixed plate 264, a first movable plate 266, a first spring 267, a fixed box 268, an alarm 269, a second movable plate 270, a pressing block 271, a pressing switch 272, a ball bearing 273, a connecting box 274, a second spring 275 and an inserting rod 276, the fixed box 268 is fixedly connected with the second bearing mounting seat 261, the first movable plate 266 is slidably connected inside the fixed box 268, the inserting rod 276 penetrates and is fixedly arranged on the first movable plate 266, the bottom end of the inserting rod 276 extends to the lower part of the fixed box 268 to be inserted into the connecting plate 265, the top end of the inserting rod 276 extends to the upper part of the fixed box 268 to be fixedly connected with the alarm 269, the first spring 267 is arranged inside the fixed box 268, the first spring 267 is sleeved on the inserting rod 276, one end of the first spring 267 is fixedly connected with the fixed box 268, the other end of the first spring 267 is fixedly connected with the first movable plate 266, a fixed plate 264 is arranged above the alarm 269, a threaded sleeve 262 is fixedly arranged on the fixed plate 264 in a penetrating manner, a threaded rod 263 is connected in the threaded sleeve 262 through threads, a ball bearing 273 is sleeved at the bottom end of the threaded rod 263, a connection box 274 is fixedly arranged at the bottom of the ball bearing 273, the connection box 274 is connected with a second bearing installation seat 261 in a sliding manner, a second movable plate 270 is connected in the connection box 274 in a sliding manner, the top of the second movable plate 270 is connected with the connection box 274 through a plurality of second springs 275, a pressing block 271 is fixedly arranged at the top of the second movable plate 270, a pressing switch 272 is arranged above the pressing block 271, the pressing switch 272 is fixedly connected with the connection box 274, the pressing switch 272 is electrically connected with the alarm 269, and the top of the alarm 269 is positioned inside the connection box 274 and is in contact with the second movable plate 270;
when the device is used specifically, if the alarm 269 sounds, the inserting rod 276 moves upwards, and the connecting plate 265 is separated, so that the device needs to be processed in time;
when the second needle bearing 250 is damaged and needs to be replaced in time, only the threaded rod 263 needs to be rotated, the threaded rod 263 drives the connecting box 274 to move upwards, then the alarm 269 is pulled upwards, the alarm 269 drives the insertion rod 276 to move upwards, so that the insertion rod 276 is separated from the connecting plate 265, then the first bearing mounting seat 240 is pulled, the first bearing mounting seat 240 drives the connecting plate 265 to move out of the slot 260, and therefore the second needle bearing 250 can be effectively taken down and the replacement of the new second needle bearing 250 is facilitated.
Referring again to fig. 1-5, the top end of the base plate 100 is screwed with a prism 130, and the center of the prism 130 coincides with the center of the base plate 100.
Referring again to fig. 1-5, the first needle bearing 110 and the second needle bearing 250 are perpendicular to each other, and the first needle bearing 110 is perpendicular to the top surface of the rail.
Referring to fig. 1 to 5 again, a handle 140 is connected to one side of the top end of the bottom plate 100 through a bolt, and an anti-slip cover 150 is sleeved on the handle 140.
Referring again to fig. 1 to 5, a screw sleeve 211 is rotatably connected to the inside of the screw base 200, the screw sleeve 211 is threadedly connected to one end of the threaded rod 210, and the screw sleeve 211 is used to enable the threaded rod 210 to rotate on the screw base 200.
Referring to fig. 1-5 again, the top end of the polish rod 230 is provided with a limit head end, the bottom end of the polish rod 230 is embedded and connected with a cotter pin 231, and the limit head end and the cotter pin 231 are used for preventing the polish rod 230 from being separated from the threaded rod 210.
Referring again to fig. 1-5, the first needle bearing 110 and the second needle bearing 250 are both insulating structures, and the first needle bearing 110 and the second needle bearing 250 are polyurethane encapsulated bearings.
Referring to fig. 1 to 5 again, the sliding block 220 and the bearing mount 240 are respectively located above and below the bottom plate 100, and neither the sliding block 220 nor the bearing mount 240 can move up and down through the sliding slot 120.
Referring to fig. 1 to 5 again, two polish rods 230 are inserted into and connected to two ends of the threaded rod 210.
Referring again to figures 1-5 of the drawings,
the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. Spacing rail center of left-hand thread detects components of a whole that can function independently dolly, its characterized in that includes:
the needle roller bearing device comprises a base plate (100), four first needle roller bearings (110) are movably connected in an equidistant rectangular mode, and sliding grooves (120) are symmetrically formed in two sides of the top end of the base plate (100);
the two screw rod seats (200) are respectively installed at the tops of the sliding grooves (120), the screw rod seats (200) are connected with a threaded rod (210) in a penetrating mode, the threaded rod (210) can rotate in a penetrating portion of the screw rod seats (200), threads on the threaded rods (210) on two sides of the screw rod seats (200) are arranged in a reverse mode, and the direction of the sliding grooves (120) is the same as that of the threaded rods (210);
the two sliding blocks (220) are respectively arranged on the threaded rods (210) on two sides of the screw rod seat (200) in a penetrating mode, the threaded rods (210) are in threaded fit with penetrating portions of the sliding blocks (220), the sliding blocks (220) are movably connected inside the sliding grooves (120), a polished rod (230) is installed at the end portion of each threaded rod (210), the polished rod (230) is perpendicular to the threaded rods (210), second bearing installation seats (260) are installed at the bottom ends of the two sliding blocks (220) along the symmetrical direction, a slot (261) is formed in each second bearing installation seat (260), a connecting plate (265) is inserted into each slot (261), a first bearing installation seat (240) is fixedly arranged at one end, far away from the second bearing installation seats (260), of each connecting plate (265), a second needle roller bearing (250) is movably connected to the bottom end of each bearing installation seat (240), and a limiting alarm mechanism is arranged on one side, close to each second bearing installation seat (260), the limiting alarm mechanism is connected with the connecting plate (265) in an inserting mode.
2. The split trolley for detecting the center of the reversed-thread limit steel rail as claimed in claim 1, wherein a prism (130) is installed at the top end of the bottom plate (100), and the center of the prism (130) is overlapped with the center of the bottom plate (100).
3. The anti-thread limit rail center detection split trolley as claimed in claim 1, wherein the first needle bearing (110) and the second needle bearing (250) are perpendicular to each other, and the first needle bearing (110) and the top surface of the rail are perpendicular to each other.
4. The split trolley for detecting the center of the reversed-thread limit steel rail as claimed in claim 1, wherein a handle (140) is mounted on one side of the top end of the bottom plate (100), and an anti-skid sleeve (150) is mounted on the handle (140).
5. The reverse-threaded limit steel rail center detection split trolley according to claim 1, wherein a screw sleeve (211) is movably connected inside the screw seat (200), and the screw sleeve (211) is connected with a threaded rod (210).
6. The anti-thread limit steel rail center detection split trolley as claimed in claim 1, wherein a limit head end is arranged at the top end of the polish rod (230), and a cotter pin (231) is installed at the bottom end of the polish rod (230).
7. The anti-thread limit steel rail center detection split trolley as claimed in claim 1, wherein the first needle bearing (110) and the second needle bearing (250) are both of an insulating structure, and the first needle bearing (110) and the second needle bearing (250) are polyurethane rubber-coated bearings.
8. The split trolley for detecting the center of the reversed-thread limit steel rail as claimed in claim 1, wherein the sliding block (220) and the bearing mounting seat (240) are respectively located above and below the bottom plate (100), and the sliding block (220) and the bearing mounting seat (240) cannot move up and down through the sliding groove (120).
9. The anti-thread limiting steel rail center detection split trolley as claimed in claim 1, wherein two of the polish rods (230) are respectively mounted at two ends of the threaded rod (210).
10. The anti-thread limiting steel rail center detection split trolley according to claim 1, wherein the limiting alarm mechanism comprises a thread sleeve (262), a threaded rod (263), a fixed plate (264), a first movable plate (266), a first spring (267), a fixed box (268), an alarm (269), a second movable plate (270), a pressing block (271), a pressing switch (272), a ball bearing (273), a connecting box (274), a second spring (275), and an insertion rod (276), the fixed box (268) is fixedly connected with the second bearing mounting seat (261), the first movable plate (266) is slidably connected inside the fixed box (268), the insertion rod (276) is fixedly arranged on the first movable plate (266) in a penetrating manner, the bottom end of the insertion rod (276) extends to the position below the fixed box (268) and is connected with the connecting plate (265) in an inserting manner, the top end of the insertion rod (276) extends to the position above the fixed box (268) and is fixedly connected with the alarm (269), the utility model discloses a portable electronic alarm, including fixed box (268), first spring (267) cover is established on inserted bar (276), first spring (267) one end and fixed box (268) rigid coupling, first spring (267) other end and first fly leaf (266) rigid coupling, alarm (269) top is provided with fixed plate (264), run through on fixed plate (264) and set firmly thread bush (262), thread bush (262) internal thread is connected with threaded rod (263), threaded rod (263) bottom cover is equipped with ball bearing (273), ball bearing (273) bottom sets firmly connecting box (274), connecting box (274) and second bearing mount pad (261) sliding connection, connecting box (274) internal sliding connection has second fly leaf (270), second fly leaf (270) top is connected with connecting box (274) through a plurality of second spring (275), the top of the second movable plate (270) is fixedly provided with a pressing block (271), a pressing switch (272) is arranged above the pressing block (271), the pressing switch (272) is fixedly connected with the connecting box (274), the pressing switch (272) is electrically connected with an alarm (269), and the top of the alarm (269) is positioned in the connecting box (274) and is in contact with the second movable plate (270).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062456.5A CN114368399A (en) | 2022-01-19 | 2022-01-19 | Split trolley for detecting center of reverse-thread limiting steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062456.5A CN114368399A (en) | 2022-01-19 | 2022-01-19 | Split trolley for detecting center of reverse-thread limiting steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114368399A true CN114368399A (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210062456.5A Pending CN114368399A (en) | 2022-01-19 | 2022-01-19 | Split trolley for detecting center of reverse-thread limiting steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114368399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027512A (en) * | 2022-06-24 | 2022-09-09 | 广东省特种设备检测研究院顺德检测院 | Track intelligent detection robot |
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| CN214749986U (en) * | 2021-05-07 | 2021-11-16 | 牛玉清 | Positioning device for improving flaw detection head of steel rail |
| CN214823319U (en) * | 2021-04-19 | 2021-11-23 | 厦门交测智能科技有限公司 | Rail welding seam health monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115027512A (en) * | 2022-06-24 | 2022-09-09 | 广东省特种设备检测研究院顺德检测院 | Track intelligent detection robot |
| CN115027512B (en) * | 2022-06-24 | 2023-11-28 | 广东省特种设备检测研究院顺德检测院 | Intelligent rail detection robot |
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