CN219870326U - Device for subway contact net cold-sliding test - Google Patents
Device for subway contact net cold-sliding test Download PDFInfo
- Publication number
- CN219870326U CN219870326U CN202320657261.5U CN202320657261U CN219870326U CN 219870326 U CN219870326 U CN 219870326U CN 202320657261 U CN202320657261 U CN 202320657261U CN 219870326 U CN219870326 U CN 219870326U
- Authority
- CN
- China
- Prior art keywords
- sliding
- test
- base
- cold
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model discloses a device for a subway contact net cold-sliding test, which comprises a base, two sliding sleeves, a test frame, a rolling shaft and a lifting assembly. Guide posts are arranged vertically on two sides of the surface of the base. The two sliding sleeves are respectively sleeved outside the two guide posts in a sliding way. The test stand is arranged at the top of the two sliding sleeves. The roller is installed on the test frame and parallel to the base. The lifting component is used for driving the sliding sleeve to lift along the guide post. The device for the subway contact net cold-sliding test is simple in overall structure, can be installed on the ladder frame of the operation ladder car, belongs to daily operation tools, is convenient to enter site construction, does not need to be scheduled in advance, needs fewer operators, and is time-saving and labor-saving.
Description
Technical Field
The utility model relates to the technical field of subway cold-sliding experiments, in particular to a device for a subway contact net cold-sliding experiment.
Background
At present, the track engineering vehicle is mainly used for carrying out a cold sliding test and limit detection on a contact network, the cold sliding test is to carry out dynamic test and detection on the contact network through sliding of a pantograph of the track engineering vehicle under the condition that a contact net is not electrified, and the limit detection is to detect all equipment in a section through using a limit detection device arranged on a track flat car, so that no equipment intrusion phenomenon is ensured, and the basic limit of the equipment meets the requirement of train safety operation.
The method is influenced by factors such as operation please points of a track engineering vehicle, track laying progress, cost control and the like, two working procedures of contact net cold sliding and limit detection are required to be carried out in a unified organization before contact net power transmission, but the defect correction and improvement are required to be carried out on the problems after the cold sliding test and limit detection are completed, aiming at the project with a tight construction period, the defect correction and improvement time is very limited for constructors, when the cold sliding test is carried out, the professional track engineering vehicle is required, the track engineering vehicle is carried out in the field, the multi-party coordination is required, so that whether the track engineering vehicle can be carried out smoothly is a great difficult problem, meanwhile, when the cold sliding test is carried out, the track engineering vehicle with a pantograph is required, professional drivers, vehicle guide personnel and the like are required, the cost investment is increased, meanwhile, the limit test is carried out by using the track engineering vehicle, the detection device is required to be installed on a professional flat car, the head body of the track engineering vehicle is very inconvenient, and the investment is very large for manpower and material resources, and the cost investment is increased.
Disclosure of Invention
The utility model aims to provide a device for a subway contact net cold-sliding test, which comprises a base, two sliding sleeves, a test frame, a rolling shaft and a lifting assembly.
Guide posts are arranged vertically on two sides of the surface of the base.
The two sliding sleeves are respectively sleeved outside the two guide posts in a sliding way.
The test stand is arranged at the top of the two sliding sleeves.
The roller is installed on the test frame and parallel to the base.
The lifting component is used for driving the sliding sleeve to lift along the guide post.
As a further scheme of the utility model: the test frame comprises a transverse supporting rod, two vertical supporting rods and two aluminum plates.
The horizontal bracing piece is laid and is installed at the top of two sliding sleeves horizontally.
The two vertical support rods are respectively arranged at the two ends of the transverse support rod.
Two aluminum plates are respectively hinged on the two vertical support rods through hinges.
Wherein the roller is installed between two vertical support rods.
As a further scheme of the utility model: the roller is rotatably arranged between the two vertical support rods through a bearing.
As a further scheme of the utility model: the transverse supporting rod and the vertical supporting rod are angle steel.
Wherein, the vertical support bars positioned at two sides of the transverse support bar face opposite directions.
As a further scheme of the utility model: the lifting assembly comprises a vertical supporting block, a transverse connecting column, a plurality of grooved pulleys, two groups of ropes and a balancing weight.
The vertical supporting block is vertically arranged on the base.
The horizontal spliced pole is laid and is installed at the top of vertical supporting shoe level.
A plurality of grooved pulleys are mounted at intervals at the bottom of the transverse connecting column.
One end of each of the two groups of ropes is fixedly connected with the two sliding sleeves, and the other end of each of the two groups of ropes bypasses the pulley with the groove and penetrates below the base.
The balancing weight is installed at one end of two groups of ropes below the base.
The utility model has the beneficial effects that:
the device for the subway contact net cold-sliding test is simple in overall structure, can be installed on the ladder frame of the operation ladder car, belongs to daily operation tools, is convenient to enter site construction, does not need to be scheduled in advance, needs fewer operators, and is time-saving and labor-saving.
The whole equipment is small in shape and convenient to detach, the sections meeting the conditions can be detected in advance in the early construction process, timely correction and improvement can be found in time for the problems, and meanwhile, the device can be folded through the matching use of the hinge and the aluminum plate, so that the device is convenient to carry.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a device for a subway overhead line system cold-sliding test according to the present utility model;
fig. 2 is a schematic diagram of a disassembly structure of a device for a subway overhead line system cold-sliding test according to the present utility model.
In the figure: 1. a base; 2. a guide post; 3. a vertical support block; 4. a sliding sleeve; 5. a rope; 6. an aluminum plate; 7. a vertical support rod; 8. a hinge; 9. a transverse connecting column; 10. a grooved pulley; 11. a roller; 12. a transverse support bar; 13. a bearing; 14. a ladder car frame; 15. and (5) balancing weights.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the utility model discloses a device for a subway overhead line system cold-sliding test, which comprises a base 1, two sliding sleeves 4, a test frame, a rolling shaft 11, a lifting assembly and the like.
Guide posts 2 which are vertically placed are arranged on two sides of the surface of the base 1. The two sliding sleeves 4 are respectively sleeved outside the two guide posts 2 in a sliding way. The test stand is mounted on top of two sliding sleeves 4. The roller 11 is mounted on the test stand and parallel to the base 1. The lifting assembly is used for driving the sliding sleeve 4 to lift along the guide post 2.
For example, as shown in fig. 1 and 2, the base 1 has a substantially rectangular long bar structure in appearance and is arranged in a horizontal direction. In use, the base 1 is fixedly mounted on top of the ladder frame 14. In some embodiments, the base 1 may be hollow square steel in view of the strength and weight of the structure. Two guide posts 2 mounted on the base 1 are symmetrically arranged at the center of the base 1, in consideration of structural strength and weight, in some embodiments, the guide posts 2 may be cylindrical steel posts, and a sliding sleeve 4 sleeved outside the guide posts 2 may be seamless steel pipes. The roller 11 mounted on the test stand is used to contact the contact wire during the test, which slides over the roller 11. The lifting component can adjust the heights of the test stand and the roller 11 in the experiment, so that the roller 11 is always contacted with the contact line.
The device for the subway contact net cold-sliding test is simple in overall structure, can be installed on the ladder frame 14 of the operation ladder car, belongs to daily operation tools, is convenient to enter site construction, does not need to be scheduled in advance, needs fewer operators, and is time-saving and labor-saving.
In some embodiments of the utility model, the test stand comprises a transverse support bar 12, two vertical support bars 7 and two aluminium plates 6. The transverse supporting rods 12 are horizontally arranged and mounted on the tops of the two sliding sleeves 4. Two vertical support rods 7 are respectively installed at both ends of the transverse support rod 12. The two aluminum plates 6 are respectively hinged on the two vertical support rods 7 through hinges 8. Wherein the roller 11 is mounted between two vertical support bars 7. Through the cooperation of hinge 8 and aluminum plate 6, can realize folding the device, conveniently carry.
It should be noted that, in order to avoid the roller 11 from wearing and damaging the contact wire, the roller 11 may be rotatably mounted between the two vertical support rods 7 through the bearing 13. When the roller 11 contacts with the contact line, the contact line slides on the roller 11 and drives the roller 11 to rotate.
Specifically, in order to ensure the strength and the structural rationality, the horizontal support rods 12 and the vertical support rods 7 can be angle steel. Wherein the vertical support bars 7 located at both sides of the horizontal support bar 12 are oppositely oriented.
In some embodiments of the utility model the lifting assembly comprises a vertical support block 3, a lateral connecting column 9, a number of grooved pulleys 10, two sets of ropes 5 and a counterweight 15. The vertical supporting block 3 is vertically installed on the base 1. The transverse connecting columns 9 are horizontally arranged and mounted on the top of the vertical supporting block 3. A plurality of grooved pulleys 10 are installed at intervals at the bottom of the transverse connection column 9. One end of the two groups of ropes 5 is fixedly connected with the two sliding sleeves 4 respectively, and the other end of the ropes bypasses the grooved pulley 10 and penetrates below the base 1. The balancing weight 15 is mounted at one end of the two sets of ropes 5 below the base 1. Specifically, a plurality of grooved pulleys 10 are symmetrically installed at the bottom of the transverse connection column 9 (as shown in fig. 2, the grooved pulleys 10 are four, two are in the middle and two are on two sides), and through holes for the ropes 5 to penetrate are formed in the vertical supporting block 3 and the base 1, so that interference is prevented from being generated during operation. To ensure stability and strength, the ropes 5 are steel wire ropes 5. The connection mode of the balancing weight 15 and the rope 5 is not limited, and the balancing weight 15 can be fixedly connected or detachably connected, and is selected in specific use.
When the device is used, an operator can firstly install the base 1 on the ladder frame 14 positioned in the operation ladder car, then carry out a cold-sliding experiment through the forward movement of the operation ladder car, when the cold-sliding experiment is carried out, the counterweight 15 can vertically move upwards through the pulling of the rope 5 under the action of self weight, the upper half part of the device can be driven to integrally move upwards along with the vertical upward movement of the sliding sleeve 4, the roller 11 can be contacted with a contact line for the cold-sliding experiment, an upward force is always applied to the contact line, the requirement of the cold-sliding experiment is met, the contact line can slide on the roller 11 when the roller 11 is contacted with the contact line, the roller 11 is driven to rotate, and the abrasion damage of the contact line caused by the roller 11 is avoided.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. A device for subway contact net cold slide test, characterized by, include:
the base (1) is provided with guide posts (2) which are vertically arranged on two sides of the surface;
the two sliding sleeves (4) are respectively sleeved outside the two guide posts (2) in a sliding manner;
the test rack is arranged at the top of the two sliding sleeves (4);
a roller (11) mounted on the test stand and parallel to the base (1); and
and the lifting assembly is used for driving the sliding sleeve (4) to lift along the guide column (2).
2. The apparatus for cold slide testing of a subway overhead line system according to claim 1, wherein the test stand comprises:
the transverse supporting rods (12) are horizontally arranged and mounted at the tops of the two sliding sleeves (4);
two vertical support rods (7) which are respectively arranged at two ends of the transverse support rod (12); and
the two aluminum plates (6) are hinged to the two vertical support rods (7) through hinges (8) respectively;
wherein the roller (11) is arranged between the two vertical support rods (7).
3. Device for cold slide testing of a subway contact network according to claim 2, characterized in that the roller (11) is rotatably mounted between two vertical support bars (7) by means of bearings (13).
4. The device for the subway overhead line system cold-sliding test according to claim 2, wherein the transverse supporting rod (12) and the vertical supporting rod (7) are angle steels;
wherein, the vertical support rods (7) positioned at two sides of the transverse support rod (12) face opposite directions.
5. The apparatus for cold slide testing of a subway overhead line system according to claim 1, wherein the lifting assembly comprises:
the vertical supporting block (3) is vertically arranged on the base (1);
the transverse connecting columns (9) are horizontally arranged and mounted at the top of the vertical supporting blocks (3);
a plurality of grooved pulleys (10) which are arranged at the bottom of the transverse connecting column (9) at intervals;
one end of the two groups of ropes (5) is fixedly connected with the two sliding sleeves (4) respectively, and the other end of the two groups of ropes (5) bypasses the grooved pulley (10) and penetrates below the base (1); and
and the balancing weight (15) is arranged at one end of the two groups of ropes (5) below the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657261.5U CN219870326U (en) | 2023-03-29 | 2023-03-29 | Device for subway contact net cold-sliding test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657261.5U CN219870326U (en) | 2023-03-29 | 2023-03-29 | Device for subway contact net cold-sliding test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870326U true CN219870326U (en) | 2023-10-20 |
Family
ID=88322184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320657261.5U Active CN219870326U (en) | 2023-03-29 | 2023-03-29 | Device for subway contact net cold-sliding test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870326U (en) |
-
2023
- 2023-03-29 CN CN202320657261.5U patent/CN219870326U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104993422B (en) | Line inspection robot on-line and off-line device and line inspection robot on-line and off-line system provided with same | |
| CN201240810Y (en) | Novel manual hoister | |
| CN219870326U (en) | Device for subway contact net cold-sliding test | |
| CN207183924U (en) | A kind of electric power overhaul frame | |
| CN211034931U (en) | Rail moving device for hoisting plate girder | |
| CN210001467U (en) | Hoisting device used in limited space workshop | |
| CN211169550U (en) | Hoisting device for maintaining and replacing speed reducer | |
| CN216807824U (en) | Pipeline mobile device for hydraulic engineering | |
| CN212178595U (en) | Lighting device for tunnel construction | |
| CN213475232U (en) | Automatic installation equipment of construction protection network | |
| CN214541305U (en) | Tower crane jacking operation programming teaching model | |
| CN220352637U (en) | Bridge guardrail construction is with removing basket of hanging | |
| CN210176333U (en) | Labor-saving motor casing lifting appliance with accurate positioning | |
| CN110847060A (en) | Big portal tension trolley | |
| CN112664151B (en) | Continuous vehicle bracket | |
| CN214530227U (en) | Supporting equipment for bridge engineering construction | |
| CN106143828B (en) | Double floating mobile disembarkation detection platforms | |
| CN213619747U (en) | Retractable track traffic dolly of patrolling and examining fast | |
| CN210594968U (en) | Sliding device for hoisting truss | |
| CN212503892U (en) | Moving device of saddle type support heat exchanger | |
| CN219567099U (en) | Cable paying-off device for construction site | |
| CN219952743U (en) | Continuous beam stretching auxiliary tool | |
| CN217921097U (en) | Detachable portable equipment hoisting device used in narrow space | |
| CN215711155U (en) | Hydraulic lifting device | |
| CN218454565U (en) | Profiled steel sheet sealing scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |