CN219215001U - Subway engineering inspection trolley - Google Patents
Subway engineering inspection trolley Download PDFInfo
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- CN219215001U CN219215001U CN202320073816.1U CN202320073816U CN219215001U CN 219215001 U CN219215001 U CN 219215001U CN 202320073816 U CN202320073816 U CN 202320073816U CN 219215001 U CN219215001 U CN 219215001U
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- trolley
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- 238000007689 inspection Methods 0.000 title claims abstract description 33
- 238000010276 construction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model belongs to the technical field of rail transit vehicle detection auxiliary equipment, and discloses a subway service inspection trolley which comprises a frame and wheel frames arranged at two ends of the frame; the two ends of the frame are provided with first connecting holes; any wheel frame is hinged with the frame, and the any wheel frame is provided with a second connecting hole and a third connecting hole; the frame and the wheel frame are switched between a folded state and an unfolded state; when the trolley is in a folded state, the first connecting hole and the second connecting hole at the same end of the trolley frame are connected through pins; when the trolley is in an unfolding state, the first connecting hole and the third connecting hole at the same end of the trolley frame are connected through pins. The folding and unfolding device can realize folding and unfolding of the trolley, and is convenient and quick to use in different application scenes.
Description
Technical Field
The utility model belongs to the technical field of rail transit vehicle detection auxiliary equipment, and particularly relates to a subway service inspection trolley.
Background
In recent years, urban rail transit networks in China are rapidly growing, pressures facing a large number of urban rail transit infrastructures in maintenance period, line safety and monitoring are also increased, and how to ensure safe operation of subway systems is an important problem to be solved by various levels of governments and management departments, and meanwhile, great importance is placed on society.
The method is the most important matter for ensuring the safe operation of the subway system, and the current operation and maintenance mode of the urban subway is mainly inspection, so that the method is the most basic and key mode for ensuring the safe operation of the subway.
At present, manual inspection is generally replaced by a rail inspection trolley to improve inspection efficiency, however, the existing inspection trolley is large in size and inconvenient to carry.
Disclosure of Invention
In order to solve the technical problems, the utility model discloses a subway service inspection trolley which can be folded and unfolded, and is convenient to use in different application scenes.
The specific technical scheme of the utility model is as follows:
a subway service inspection trolley, comprising:
the vehicle comprises a vehicle frame, wherein both ends of the vehicle frame are provided with first connecting holes; and
the wheel frames are arranged at the two ends of the frame, any one wheel frame is hinged with the frame, and the any one wheel frame is provided with a second connecting hole and a third connecting hole;
wherein the frame and the wheel frame are switched between a folded state and an unfolded state;
when the trolley is in a folded state, the first connecting hole and the second connecting hole at the same end of the trolley frame are connected through pins;
when the trolley is in an unfolding state, the first connecting hole and the third connecting hole at the same end of the trolley frame are connected through pins.
The wheel carrier can overturn relative to the frame, when the trolley is utilized to carry out inspection operation, the trolley is in an unfolding state, when the trolley is required to be stored, the trolley is in a folding state, in the two states, the first connecting hole on the frame is utilized to connect the second connecting hole or the third connecting hole on the wheel carrier, and the stability of the trolley in a certain state can be kept, so that the trolley is convenient to use.
Preferably, both ends of the frame are provided with a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface are connected through inverted circular arcs;
any wheel carrier is provided with a third positioning surface;
when the trolley is switched between a folded state and an unfolded state, the surface contact of the first positioning surface and the third positioning surface at the same end of the trolley frame is transited to the surface contact of the second positioning surface and the third positioning surface through the inverted arc.
At the different states of dolly, utilize the inverted circular arc to make the third locating surface transition between first locating surface and second locating surface to laminate in first locating surface or second locating surface, can make the state transformation between wheel carrier and the frame more smooth this moment, and realize the face contact location, thereby better assurance first connection Kong Tongdi two connecting holes or have accurate alignment position between the third connecting hole, in order to conveniently ensure the dolly state.
Preferably, one end of any one wheel frame, which is far away from the frame, is provided with a first wheel body for transferring the trolley in a folded state of the trolley.
The first wheel body can enable the trolley to obtain movement capacity in a folded state, so that the trolley is convenient to transport.
Preferably, both ends of any one wheel frame are provided with wheel shafts which are detachably connected with the wheel frames;
the end part of one wheel shaft far away from the other wheel shaft is provided with a second wheel body, and the second wheel body can slide along the axial direction of the wheel shaft.
The second wheel body can enable the trolley to obtain movement capability in the unfolded state, so that the trolley can work conveniently, and the trolley can be assembled conveniently due to the fact that the wheel shaft and the wheel frame are detachably connected.
Preferably, the second wheel body is provided with a wheel rod, and the wheel rod is connected with the wheel shaft in a sliding way.
The distance between the second wheel body and the frame can be adjusted through the relative sliding between the wheel rod and the wheel shaft, so that the track device is suitable for different types of track requirements.
Preferably, the outer diameter of the wheel rod is smaller than the inner diameter of the wheel shaft, the end part of the wheel shaft is provided with a clack part, one end of the wheel rod extends into the wheel shaft, and the wheel shaft compresses the clack part on the wheel rod through a pressing plate.
The clack part has deformability relative to the wheel shaft, when the pressing plate releases the clack part, the wheel rod can move relative to the wheel shaft, and when the pressing plate presses the clack part, the clack part is folded, so that the wheel shaft presses the wheel rod, and the wheel rod are stably connected.
Preferably, the trolley has a plurality of second wheels, wherein one or more of the second wheels has a brake assembly for braking the trolley.
The brake assembly can brake the trolley, and the trolley is prevented from continuing to move when the trolley is required to be stationary.
Preferably, the brake assembly includes:
the brake is arranged on one side of the corresponding second wheel body;
the toothed ring is arranged on the second wheel body corresponding to the brake; and
the gear is connected with the driving end of the brake and meshed with the toothed ring.
The brake can drive the gear to rotate and enable the gear to rotate opposite to the second wheel body, so that the movement speed of the trolley is gradually slowed to be stopped on the basis of meshing of the gear and the toothed ring.
Preferably, the wheel frame is provided with a mounting groove, and the wheel axle is fixedly connected with the wheel frame in the mounting groove through a pressing block.
The mounting groove can give the wheel axle the mounted position on the wheel carrier, after the wheel axle is placed in the mounting groove, can utilize the briquetting to spacing the wheel axle in the mounting groove to realize the assembly of wheel axle.
Preferably, the frame and/or the wheel frame are honeycomb structures.
When the frame and/or the wheel frame are of a honeycomb structure, the overall stability of the trolley can be ensured on the basis of well lightening the overall weight of the trolley.
Compared with the prior art, the utility model can realize convenient carrying and use of the trolley by an unfolding and folding structure, thereby adapting to different requirements and environments; the utility model ensures that the trolley can realize convenient transportation under different states; the utility model can realize the quick disassembly and assembly of the wheel axle; in addition, the utility model utilizes the honeycomb structure to well reduce the overall weight of the trolley, and can ensure the strength of the trolley on the basis.
Drawings
FIG. 1 is a schematic view of an embodiment of the utility model in an expanded state;
FIG. 2 is a schematic view showing a folded state according to an embodiment of the present utility model;
FIG. 3 is a partial side view of FIG. 2;
FIG. 4 is a schematic view of a front wheel frame according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a rear wheel carrier according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a brake assembly according to an embodiment of the present utility model.
In the figure: 1-a frame; 2-wheel frames; 3-a first connection hole; 4-a third connection hole; 5-pins; 6-a first positioning surface; 7-a second positioning surface; 8-reversing an arc; 9-a third positioning surface; 10-a first wheel body; 11-wheel axle; 12-a second wheel; 13-wheel bar; 14-pressing plates; 15-an electric motor; 16-a brake; 17-tooth ring; 18-gear; 19-mounting plates; 20-a cover body; 21-briquetting; 22-obstacle avoidance radar; a 23-camera; 24-headlight; 25-cell; 26-an electrical control box; 27-motor wheel.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.
For manual inspection in the prior art, the problems that full coverage cannot be achieved during manual inspection and hidden danger equipment cannot be found in time exist; error is easy to occur in manual recording, and accuracy and detection efficiency of subway fault diagnosis are affected; the inspection staff needs to go down the subway line and detect track and nearby equipment facilities one by one, and because the line mileage is longer, can only carry out inspection operation after subway shutdown, needs a large amount of manpower and material resources cost.
Therefore, the manual inspection has the defects of high labor intensity, low working efficiency, scattered detection quality and the like.
Based on this, this embodiment discloses a subway service inspection trolley, as shown in fig. 1 to 6, including a frame 1, and wheel frames 2 disposed at both ends of the frame 1; the two ends of the frame 1 are provided with first connecting holes 3; any one wheel frame 2 is hinged with the frame 1, and any one wheel frame 2 is provided with a second connecting hole and a third connecting hole 4; the frame 1 and the wheel frame 2 are switched between a folded state and an unfolded state; when the trolley is in a folded state, the first connecting hole 3 and the second connecting hole at the same end of the frame 1 are connected through a pin 5; when the trolley is in a unfolded state, the first connecting hole 3 and the third connecting hole 4 at the same end of the frame 1 are connected through the pin 5.
In this embodiment, the trolley has two wheel frames 2, so that the frame 1 can be supported via the wheel frames 2 in the folded state. It is understood that the two wheel frames 2 are identical in structure, and therefore, only one of the wheel frames 2 will be specifically and specifically described below.
In this embodiment, the frame 1 has the first connecting hole 3 on both sides, and thus, it is known that the second connecting hole is also formed on both sides of the wheel frame 2 corresponding to the first connecting hole 3, and the same is true for the third connecting hole 4. In other embodiments, the frame 1 and the wheel frame 2 have the first connecting hole 3, the second connecting hole, and the third connecting hole 4 corresponding to each other on one side, and in such embodiments, the connection strength is not high in this embodiment.
Based on this, when the cart is switched from the unfolded state to the folded state, its length is correspondingly shortened, and the height is raised, thereby facilitating storage.
For better use of the embodiment, both ends of the frame 1 are provided with a first positioning surface 6 and a second positioning surface 7, and the first positioning surface 6 and the second positioning surface 7 are connected through an inverted arc 8; any one wheel carrier 2 has a third positioning surface 9; when the trolley is switched between a folded state and an unfolded state, the surface contact of the first positioning surface 6 and the third positioning surface 9 at the same end of the frame 1 is transited to the surface contact of the second positioning surface 7 and the third positioning surface 9 through the inverted circular arc 8.
In this embodiment, the pin 5 used is an L-shaped index pin. In the present embodiment, the frame 1 and the wheel frame 2 are hinged by a cylindrical pin, and the wheel frame 2 rotates around the cylindrical pin to rotate relative to the frame 1.
When the folding frame is folded, the wheel frame 2 is rotated to enable the third positioning surface 9 to be in contact with the lower part of the main frame, namely the first positioning surface 6, and then the L-shaped indexing pin on the frame 1 is screwed down to enable the pin of the L-shaped indexing pin to be inserted into the first connecting hole 3 and the second connecting hole, so that the folding is completed.
When the wheel frame 2 is unfolded, the third positioning surface 9 of the wheel frame is contacted with the second positioning surface 7, and then the L-shaped indexing pin is screwed down, so that the pins of the L-shaped indexing pin are inserted into the first connecting hole 3 and the third connecting hole 4, and the unfolding is completed.
In the unfolded state or the folded state of the trolley, the frame 1 is always kept horizontal, and various detection modules are carried on the frame 1 at this time, so that the inspection task can be completed.
For better use of the present embodiment, the end of any one wheel carrier 2 remote from the frame 1 is provided with a first wheel body 10 for transporting the trolley in its folded state.
Any one wheel carrier 2 has two first wheels 10, and thus the whole trolley has four first wheels 10. Therefore, when the trolley is in the folded state, the four first wheel bodies 10 are simultaneously contacted with the ground, and the trolley can be transported in a pushing mode without carrying.
For better use of the embodiment, both ends of any one wheel carrier 2 are provided with wheel shafts 11 detachably connected with the wheel carriers; the end of one of the wheel shafts 11 remote from the other wheel shaft 11 is provided with a second wheel body 12, said second wheel body 12 being slidable in the axial direction of the wheel shaft 11.
In the present embodiment, when the trolley is in the unfolded state, the movement of the trolley is realized by using the second wheel bodies 12, and it is known that the trolley has four second wheel bodies 12 in total.
It is also known that one or more of the second wheels 12 have an electric motor 15. Generally, the driving of the trolley is achieved by two-drive or four-drive, which are not described here.
Further, the second wheel body 12 has a wheel rod 13, and the wheel rod 13 is slidably connected to the wheel axle 11.
Still further, the outer diameter of the wheel rod 13 is smaller than the inner diameter of the wheel shaft 11, the end of the wheel shaft 11 is provided with a clack part, one end of the wheel rod 13 extends into the wheel shaft 11, and the wheel shaft 11 compresses the clack part on the wheel rod 13 through the pressure plate 14.
Thereby, the wheel axle 11 is hollow, so that the wheel bar 13 can extend into the wheel axle 11 to press the end of the wheel axle 11 away from the second wheel body 12 into the wheel axle 11 by folding the flaps, thereby satisfying the rigid connection between the wheel bar 13 and the wheel axle 11.
In this embodiment, the cart is two-drive and is rear-drive, so two second wheels 12 at the rear end of the cart are provided with corresponding motors 15, at this time, the stator of the motor 15 is a wheel rod 13, and the motor wheel 27 is connected with the second wheels 12 as a rotor, so when the motor 15 is driven, the rotor drives the second wheels 12 to rotate, thereby driving the cart to advance.
Thus, when the platen 14 is released, the width of the cart can be adjusted to accommodate different types of rails, such as 50Kg rails, 60Kg rails.
For better use of the present embodiment, the trolley has a plurality of second wheels 12, wherein one or more of the second wheels 12 has a brake assembly for braking the trolley.
In the present embodiment, the two second wheels 12 of the rear end frame 1 have brake assemblies.
Specifically, the brake assembly comprises a brake 16, a toothed ring 17 and a gear 18; the brake 16 is arranged on one side of the corresponding second wheel body 12; the toothed ring 17 is arranged on the second wheel body 12 corresponding to the brake 16; the gear 18 is connected to the drive end of the brake 16, and the gear 18 is meshed with the toothed ring 17.
In this embodiment, the pressure plate 14 is provided with a mounting plate 19, and the brake 16 is disposed on the mounting plate 19. Since the gear 18 at the end of the brake 16 is engaged with the toothed ring 17, when the brake 16 receives a braking signal, the motor 15 stops supplying power, and the brake 16 provides damping, thereby completing braking.
In addition, in the present embodiment, the mounting plate 19 has a cover 20 that is matched with the mounting plate, and in the accommodating space formed between the mounting plate 19 and the cover 20, the storage of the brake 16 and the pressure plate 14 can be realized, so that the influence of the external environment on the use of the brake 16 and the pressure plate 14 is avoided.
For better use of the present embodiment, the wheel frame 2 has a mounting groove in which the wheel axle 11 is fixedly connected to the wheel frame 2 by means of a press 21.
When the wheel axle 11 is installed, the wheel axle 11 is placed in the installation groove and locked by the pressing block 21, and the operation is simple and convenient.
For better use of the present embodiment, the frame 1 and/or the wheel carrier 2 are honeycomb-like structures.
In the present embodiment, the frame 1 and the wheel frame 2 are both in a honeycomb structure, and it is understood that in different embodiments, one of the frame 1 and the wheel frame 2 may be in a honeycomb structure. The structure can keep the overall support stability of the trolley and correspondingly lighten the overall weight of the trolley. In addition, in the present embodiment, the frame 1 and the wheel frame 2 are both made of an aluminum alloy material.
In this embodiment, since the front end and the rear end of the trolley are both provided with the frame 1, in order to facilitate the specific use of the trolley, the front end frame 1 is provided with the obstacle avoidance radar 22, the camera 23 and the headlight 24, so as to ensure the safety of the inspection trolley when performing inspection operation on the track, and when the obstacle avoidance radar 22 detects that foreign matters exist in front, automatic deceleration or braking can be completed according to a preset program; the headlight 24 can ensure that the inspection trolley works in environments with darker light such as subway tunnels, and the current working state of the trolley is obtained in real time through the camera 23. In addition, a battery 25 is mounted in the remaining space of the front end frame 1, and 3 sets of bar brackets are provided between both sides of the front end frame 1 in order to reduce the weight of the entire cart, whereby the battery 25 is mounted on the bar brackets.
The rear-end frame 1 is also provided with the obstacle avoidance radar 22, the rear-end frame 1 is provided with the electric control box 26, and similarly, 3 groups of strip brackets are arranged between two sides of the rear-end frame 1, so that the electric control box 26 is arranged on the strip brackets, and the overall weight of the trolley is reduced.
Therefore, after the trolley is folded, the whole size of the trolley is reduced, so that the trolley can be installed into a common car, and the trolley can easily enter a lifting elevator, thereby being convenient to transport and use. And the trolley can be transported through 4 universal wheels after being folded, and lifting is not needed. When the trolley is unfolded, the trolley can independently run on different types of railway tracks, so that the requirement of the work inspection operation is met.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (10)
1. The utility model provides a subway engineering inspection dolly which characterized in that includes:
the vehicle comprises a vehicle frame, wherein both ends of the vehicle frame are provided with first connecting holes; and
the wheel frames are arranged at the two ends of the frame, any one wheel frame is hinged with the frame, and the any one wheel frame is provided with a second connecting hole and a third connecting hole;
wherein the frame and the wheel frame are switched between a folded state and an unfolded state;
when the trolley is in a folded state, the first connecting hole and the second connecting hole at the same end of the trolley frame are connected through pins;
when the trolley is in an unfolding state, the first connecting hole and the third connecting hole at the same end of the trolley frame are connected through pins.
2. The subway work inspection trolley according to claim 1, wherein the two ends of the frame are provided with a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface are connected through inverted circular arcs;
any wheel carrier is provided with a third positioning surface;
when the trolley is switched between a folded state and an unfolded state, the surface contact of the first positioning surface and the third positioning surface at the same end of the trolley frame is transited to the surface contact of the second positioning surface and the third positioning surface through the inverted arc.
3. A subway service inspection trolley as claimed in claim 1 wherein the end of any one of the wheel frames remote from the frame has a first wheel body for transporting the trolley in its collapsed condition.
4. The subway service inspection trolley as claimed in claim 1, wherein both ends of any one wheel frame are provided with wheel shafts detachably connected thereto;
the end part of one wheel shaft far away from the other wheel shaft is provided with a second wheel body, and the second wheel body can slide along the axial direction of the wheel shaft.
5. The subway service inspection trolley as claimed in claim 4, wherein the second wheel body has a wheel bar slidably connected to the wheel shaft.
6. The subway engineering inspection trolley according to claim 5, wherein the outer diameter of the wheel rod is smaller than the inner diameter of the wheel shaft, the end part of the wheel shaft is provided with a clack part, one end of the wheel rod extends into the wheel shaft, and the wheel shaft presses the clack part to the wheel rod through the pressing plate.
7. A subway work inspection trolley as claimed in claim 4 wherein the trolley has a plurality of second wheels, wherein one or more of the second wheels has a brake assembly for braking the trolley.
8. The subway service inspection trolley as claimed in claim 7, wherein the brake assembly includes:
the brake is arranged on one side of the corresponding second wheel body;
the toothed ring is arranged on the second wheel body corresponding to the brake; and
the gear is connected with the driving end of the brake and meshed with the toothed ring.
9. The subway service inspection trolley as claimed in claim 4, wherein the wheel frame is provided with a mounting groove, and the wheel axle is fixedly connected with the wheel frame in the mounting groove through a pressing block.
10. A subway work inspection trolley according to claim 1 wherein the frame and/or wheel carriage is of honeycomb construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073816.1U CN219215001U (en) | 2023-01-10 | 2023-01-10 | Subway engineering inspection trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073816.1U CN219215001U (en) | 2023-01-10 | 2023-01-10 | Subway engineering inspection trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219215001U true CN219215001U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320073816.1U Active CN219215001U (en) | 2023-01-10 | 2023-01-10 | Subway engineering inspection trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219215001U (en) |
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2023
- 2023-01-10 CN CN202320073816.1U patent/CN219215001U/en active Active
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