CN216198154U - Foldable maintenance trolley - Google Patents
Foldable maintenance trolley Download PDFInfo
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- CN216198154U CN216198154U CN202122582869.XU CN202122582869U CN216198154U CN 216198154 U CN216198154 U CN 216198154U CN 202122582869 U CN202122582869 U CN 202122582869U CN 216198154 U CN216198154 U CN 216198154U
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Abstract
The utility model provides a foldable maintenance trolley which comprises a walking trolley, a support arm frame, a maintenance arch frame and a spraying mechanism, wherein the walking trolley is arranged on the support arm frame; the walking trolley comprises a walking mechanism, a frame and a sliding mechanism; the maintenance arch is arranged on the support arm frame, and the lower end of the support arm frame is rotatably arranged on the sliding mechanism; the spraying mechanism comprises a spray head, and the spray head is arranged on the maintenance arch frame. The foldable maintenance trolley has the advantages that the sliding mechanism is arranged on the travelling trolley, so that the support arm support can slide, and the rotatable arrangement of the support arm support can realize folding and unfolding, so that the whole structure occupies small space, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of tunnel maintenance, in particular to a foldable maintenance trolley.
Background
Traditional maintenance platform truck mostly adopts the rack-type, and the structure is more complicated, and the volume is bigger to there is following problem:
firstly, a certain space is occupied by the lining trolley after the tunnel is demolded, and when the tunnel needs to be maintained, if the demolded lining trolley is transferred, certain time is needed, so that the transferring time and labor cost of the lining trolley are increased; if the demolded lining trolley is not transferred, the lining trolley can block the passing of a maintenance trolley to a certain extent, so that the tunnel surface in the initial setting stage cannot be maintained in time;
secondly, after the secondary lining concrete is poured, the concrete does not have enough strength, and the early evaporation of moisture can cause the concrete to generate larger shrinkage deformation and generate shrinkage cracks, so that the durability and the integrity of the concrete are not facilitated; if the curing is not carried out in time in the initial setting stage, due to the action of hydration heat, moisture in the concrete of the second liner can be evaporated too fast, so that the concrete of the second liner can be dehydrated, cement particles which form gel cannot be fully hydrated and cannot be converted into stable crystals, and sufficient cohesive force is lacked, so that flaky or powdery falling can be generated on the surface of the concrete;
traditional rack-type maintenance platform truck when carrying out the maintenance, occupation space is big, and other engineering vehicle of being not convenient for are current.
Therefore, the development of a small and flexible maintenance trolley which is convenient for transition and has high maintenance efficiency is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foldable maintenance trolley aiming at the defects in the prior art, and the foldable maintenance trolley comprises a walking trolley, a support arm frame, a maintenance arch frame and a spraying mechanism; the travelling trolley comprises a frame, a travelling mechanism and a sliding mechanism, wherein the travelling mechanism and the sliding mechanism are arranged on the frame; the maintenance arch is arranged on the support arm frame, and the lower end of the support arm frame is rotatably arranged on the sliding mechanism; the spraying mechanism comprises a spray head, and the spray head is arranged on the maintenance arch frame.
Preferably, the sliding mechanism comprises a rail and a sliding table, the rail is mounted on the top end face of the frame, the sliding table is arranged on the rail, and the support arm support is rotatably connected with the sliding table through a rotating assembly.
Preferably, the rotating assembly comprises a sliding table fixing plate, a boom fixing plate and a rotating connecting piece; the sliding table fixing plate is arranged on the sliding table, the arm support fixing plate is arranged at the lower end of the support arm support, and the arm support fixing plate can be rotatably arranged on the sliding table fixing plate through a rotating connecting piece to realize that the support arm support is folded and unfolded relative to the frame.
Preferably, the rotation connecting piece includes rotating pin, stop collar and fastener, the one end that the cantilever crane fixed plate was kept away from to the slip table fixed plate links firmly with the slip table, the one end that the slip table fixed plate was kept away from to the cantilever crane fixed plate links firmly with supporting the cantilever crane, the rotating pin links firmly with supporting the cantilever crane, and the rotating pin runs through the one end of slip table fixed plate and cantilever crane fixed plate and is equipped with the stop collar, the fastener runs through the stop collar and is connected with the rotating pin, the stop collar is used for restricting the slip table fixed plate to move about in the axis of rotation.
Preferably, the sliding table fixing plate and the arm support fixing plate are mutually locked and fixed through bolts so as to stabilize the support arm support in work.
Preferably, the support arm frame comprises a fixed arm, a telescopic arm and a beam assembly, and the arm frame fixed plate is arranged on the fixed arm; the telescopic arm is movably arranged on the fixed arm through a telescopic driving piece; the beam assembly is arranged at one end of the telescopic arm far away from the fixed arm, and the maintenance arch frame is arranged on the beam assembly.
Preferably, the beam assembly comprises a beam and a power part, the middle part of the beam is hinged with the telescopic arm, and two ends of the beam freely extend towards two sides along the horizontal direction; the two ends of the power part are respectively connected with the cross beam and the telescopic arm, and the cross beam is driven to rotate around a hinged point of the cross beam and the telescopic arm through the power part.
Preferably, the maintenance arch comprises a plurality of arc-shaped arch sections, the arc-shaped arch sections are hollow pipe bodies with two sealed ends, two adjacent arc-shaped arch sections are hinged, and water pipes are arranged between the arc-shaped arch sections for connection;
preferably, a plurality of spray heads are arranged on the maintenance arch frame and are communicated with the arc-shaped arch section.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the foldable maintenance trolley comprises a traveling trolley, a support arm frame, a maintenance arch frame and a spraying mechanism, wherein the traveling trolley is provided with a sliding mechanism so that the support arm frame can slide, and the sliding range of the sliding mechanism is set according to a construction scene; the support arm frame can be rotatably arranged to realize folding and unfolding, and the whole structure occupies small space. The foldable maintenance trolley can enlarge the range of one-time maintenance of the tunnel, and the whole trolley occupies small space and is convenient for transition.
(2) According to the foldable maintenance trolley, the sliding mechanism is arranged into the structure of the track and the sliding table, and the support arm support is rotatably connected with the sliding table through the rotating assembly, so that the support arm support can rotate, fold, store and unfold relative to the trolley frame, the structure is simplified, the support arm support can slide and fold relative to the trolley frame, and the practicability is high.
(3) According to the foldable maintenance trolley, the supporting arm frame is arranged into the fixed arm and the telescopic arm, and the heights of the maintenance arch frame and the spraying mechanism are changed through the up-and-down movement of the telescopic arm relative to the fixed arm, so that the maintenance trolley can be conveniently contracted to a smaller size when in transition and can reach the height required by tunnel face maintenance when in work.
(4) According to the foldable maintenance trolley, the power part is arranged between the cross beam and the telescopic arm, so that the cross beam can rotate around a hinge point between the cross beam and the telescopic arm, and the space occupied by the whole maintenance trolley is reduced when the maintenance trolley is transferred by matching with the extension and retraction of the telescopic arm and the rotation of the support arm frame.
(5) The foldable maintenance trolley has the advantages that the maintenance arch is arranged into a structure consisting of a plurality of arc-shaped arch sections, and the two adjacent arc-shaped arch sections are connected by the hinge assembly, so that the arc-shaped arch sections can be relatively folded, and the occupied space of the whole trolley is further reduced.
(6) According to the foldable maintenance trolley, the maintenance arch frame is provided with the plurality of spray heads, so that the tunnel can be comprehensively sprayed and maintained.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front view of a foldable maintenance trolley according to an embodiment of the present invention in an unfolded state;
FIG. 2 is a schematic left side view of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic partial cross-sectional view of a first construction of the rotation assembly of FIG. 1;
FIG. 5 is a schematic partial cross-sectional view of a second construction of the rotation assembly of FIG. 1;
FIG. 6 is a schematic top view of a collapsible maintenance cart in a collapsed state according to an embodiment of the present invention.
Wherein:
1. the device comprises a walking trolley, 1.1, a walking mechanism, 1.2, a frame, 1.3, a sliding mechanism, 1.3.1, a track, 1.3.2, a sliding table, 1.4, a rotating assembly, 1.4.1, a sliding table fixing plate, 1.4.2, an arm support fixing plate, 1.4.3, a rotating pin, 1.4.4, a fastener, 1.4.5 and a limiting sleeve, wherein the walking trolley is arranged on the walking trolley;
2. the device comprises a support arm frame, 2.1, a fixed arm, 2.2, a telescopic arm, 2.3, a beam assembly, 2.3.1, a beam, 2.3.2 and a power part;
3. maintenance arch centering, 3.1, arc arch section, 3.2, hinge assembly;
4. spraying mechanism, 4.1, shower nozzle.
Detailed Description
In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.
In this embodiment:
referring to fig. 1 to 5, a foldable maintenance trolley comprises a walking trolley 1, a support arm frame 2, a maintenance arch 3 and a spraying mechanism 4; the travelling trolley 1 comprises a frame 1.2, a travelling mechanism 1.1 and a sliding mechanism 1.3, wherein the travelling mechanism 1.1 and the sliding mechanism 1.3 are arranged on the frame 1.2, the travelling mechanism 1.1 is arranged at the bottom of the frame 1.2, the sliding mechanism 1.3 is arranged on the top end face of the frame 1.2, and the sliding mechanism 1.3 and the frame 1.2 are arranged in a slidable manner; the maintenance arch 3 is arranged on the support arm frame 2, and the lower end of the support arm frame 2 is rotatably arranged on the sliding mechanism 1.3; the spraying mechanism 4 comprises a spray head 4.1 arranged on the maintenance arch frame 3.
Preferably, the sliding mechanism 1.3 includes a rail 1.3.1 and a sliding table 1.3.2, the rail 1.3.1 is installed on the top end surface of the frame 1.2, and the sliding table 1.3.2 is arranged on the rail 1.3.1 and is rotatably connected with the support arm frame 2 through a rotating assembly 1.4.
Preferably, the support arm frame 2 comprises a fixed arm 2.1, a telescopic arm 2.2 and a beam assembly 2.3, one end of the fixed arm 2.1 is connected with the sliding table 1.3.2 through a rotating assembly 1.4, and the telescopic arm 2.2 is connected with the fixed arm 2.1 through a telescopic driving assembly and displaces relative to the fixed arm 2.1; the beam assembly 2.3 comprises a beam 2.3.1 and a power part 2.3.2, the middle part of the beam 2.3.1 is hinged with the telescopic arm 2.2, and two ends of the beam freely extend to two sides along the horizontal direction; one end of the power part 2.3.2 is hinged with the cross beam 2.3.1, and the other end is hinged with the telescopic arm 2.2, so that the cross beam 2.3.1 is driven to be close to or far away from the telescopic arm 2.2, and the cross beam 2.3.1 is folded or unfolded relative to the telescopic arm 2.2. The telescopic driving piece is set to be one of a steel wire rope traction structure, a gear rack structure, an oil cylinder structure or a worm and gear structure; the power members 2.3.2 are preferably arranged as hydraulic rams.
The maintenance arch center 3 comprises a plurality of arc-shaped arch sections 3.1, the arc-shaped arch sections 3.1 are hollow pipe bodies with two sealed ends, and the two adjacent arc-shaped arch sections 3.1 are connected through a hinge assembly 3.2.
Preferably, the hinge assembly 3.2 includes a first connecting plate, a second connecting plate, a fastening member and a rotating shaft, and in detail, as shown in fig. 3, one end of the first connecting plate and one end of the second connecting plate are both sleeved on the rotating shaft to form a hinge structure, and the first connecting plate and the second connecting plate are respectively and fixedly connected with two end faces of two adjacent arc-shaped arch sections, so as to realize mutual hinge of the two adjacent arc-shaped arch sections 3.1. The other ends of the first connecting plate and the second connecting plate are fixed through a fastener.
Preferably, the nozzle head 4.1 is provided with a plurality of pieces communicating with the arcuate arch section 3.1.
Preferably, spray mechanism 4 and still include the water tank set spare, the water tank set spare encircles section 3.1 through the arc and links to each other with many shower nozzles 4.1, sets up the maintenance water in the water tank set spare and encircles section 3.1 through the arc and carry to in the shower nozzle 4.1 and spout through shower nozzle 4.1 to the realization is to the maintenance that sprays in tunnel.
Preferably, in order to realize the communication of the hollow structures of the two adjacent arc-shaped arch sections 3.1, the arc-shaped arch sections 3.1 are also provided with connectors for being connected with water pipes, and the two adjacent arc-shaped arch sections 3.1 are communicated with each other through the water pipes so as to realize the purpose that the hollow structures of the arc-shaped arch sections 3.1 are communicated with each other.
Referring to fig. 4 and 5, the rotating assembly 1.4 includes a sliding table fixing plate 1.4.1, a boom fixing plate 1.4.2 and a rotating connector, one end of the sliding table fixing plate 1.4.1, which is far away from the boom fixing plate 1.4.2, is fixedly connected with the sliding table 1.3.2, one end of the boom fixing plate 1.4.2, which is far away from the boom fixing plate 1.4.1, is fixedly connected with a fixing arm 2.1 in the support boom 2, and the other end of the boom fixing plate 1.4.2 is rotatably connected with the other end of the sliding table fixing plate 1.4.1 through the rotating connector, so that the support boom 2 is folded and unfolded relative to the frame 1.2. The arm support fixing plate 1.4.2 and the sliding table fixing plate can also be fixedly connected through bolts and used for stably supporting the working state and the folded state of the arm support 2.
Referring to fig. 4 and 5, the rotating connecting piece includes a rotating pin 1.4.3, a fastening piece 1.4.4 and a stop collar 1.4.5, the rotating pin 1.4.3 penetrates through the sliding table fixing plate 1.4.1 and the arm support fixing plate 1.4.2 and is fixedly arranged on the fixing arm 2.1, the fastening piece 1.4.4 is arranged at the other end of the rotating pin 1.4.3, the stop collar 1.4.5 is arranged between the rotating pin 1.4.3 and the fastening piece 1.4.4, the fastening piece 1.4.4 penetrates through the stop collar 1.4.5 and is connected with the rotating pin 1.4.3, and the stop collar 1.4.5 is used for limiting the sliding table fixing plate 1.4.1 to move left and right on the rotating pin 1.4.3.
The two rotary joints shown in fig. 4 and 5 are different in structure in that: the rotating pin fixed support arm frame 2 has different structures. The fastener 1.4.4 shown in fig. 4 penetrates through the limiting sleeve 1.4.5 from left to right, is inserted into the rotating pin 1.4.3, and is fixedly connected with the rotating pin 1.4.3, so that the supporting arm frame 2 is fixed, and the supporting arm frame 2 and the arm frame fixing plate 1.4.2 are prevented from falling off from the rotating pin 1.4.3; the fastening piece 1.4.4 shown in fig. 5 penetrates through the limiting sleeve 1.4.5 from top to bottom and is inserted into the rotating pin 1.4.3 to be fixedly connected with the rotating pin 1.4.3, so that the supporting arm support 2 is fixed, and the supporting arm support 2 and the arm support fixing plate 1.4.2 are prevented from falling off from the rotating pin 1.4.3.
When the supporting arm support 2 is adjusted to be in the storage state, the fastening piece 1.4.4 is loosened and the bolt is removed, so that the rotating pin 1.4.3 is in a rotatable state, the supporting arm support 2 is rotated to be in a state of being horizontal to the walking trolley 1, and the fastening piece 1.4.4 and the bolt are screwed down to fix the state of the supporting arm support 2, so that the supporting arm support 2 is placed in a folded state; when the supporting arm support 2 is adjusted to be in a working state, the fastening piece 1.4.4 is loosened and the bolt is removed, so that the rotating pin 1.4.3 is in a rotatable state, the supporting arm support 2 is rotated to be in a state perpendicular to the walking trolley 1, and the fastening piece and the bolt 1.4.4 are screwed to fix the state of the supporting arm support 2, so that the supporting arm support is in the working state.
Preferably, the fastening element 1.4.4 is provided here as a threaded rod.
The process of curing the tunnel by using the foldable curing trolley is as follows:
the foldable maintenance trolley is placed in an initial state (namely, a folded state, as shown in fig. 6), and when tunnel maintenance is required, the walking trolley drives the supporting arm frame, the maintenance arch frame and the spraying mechanism to reach the corresponding position of the tunnel to be maintained; sequentially rotating the supporting arm support to a working state, unfolding the maintenance arch frame to the working state and extending the supporting arm support to a position (shown in figure 1) which is suitable for the tunnel maintenance surface, spraying and maintaining the tunnel maintenance surface by the spraying mechanism, and simultaneously displacing the sliding table on the rail to drive the supporting arm support and the maintenance arch frame to move so that the tunnel surface in the stroke range of the sliding table can be maintained at one time without moving the whole foldable maintenance trolley;
after the spraying maintenance is finished, the maintenance arch frame, the support arm frame is retracted to the initial state, and the support arm frame is folded to the initial state (as shown in fig. 6), so that the occupied space of the whole folding maintenance trolley is reduced, and the folding maintenance trolley can be flexibly transferred.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a collapsible maintenance platform truck which characterized in that: comprises a walking trolley, a supporting arm frame, a maintenance arch frame and a spraying mechanism;
the travelling trolley comprises a frame, a travelling mechanism and a sliding mechanism, wherein the travelling mechanism and the sliding mechanism are arranged on the frame;
the maintenance arch is arranged on the support arm frame, and the lower end of the support arm frame is rotatably arranged on the sliding mechanism;
the spraying mechanism comprises a spray head, and the spray head is arranged on the maintenance arch frame.
2. A collapsible maintenance trolley according to claim 1, wherein: the sliding mechanism comprises a rail and a sliding table, the rail is mounted on the top end face of the frame, the sliding table is arranged on the rail, and the support arm support is rotatably connected with the sliding table through a rotating assembly.
3. A collapsible maintenance trolley according to claim 2, wherein: the rotating assembly comprises a sliding table fixing plate, an arm support fixing plate and a rotating connecting piece;
the sliding table fixing plate is arranged on the sliding table, the arm support fixing plate is arranged at the lower end of the support arm support, and the arm support fixing plate can be rotatably arranged on the sliding table fixing plate through a rotating connecting piece to realize that the support arm support is folded and unfolded relative to the frame.
4. A collapsible maintenance trolley according to claim 3, wherein: the rotation connecting piece comprises a rotating pin, a limiting sleeve and a fastener, one end, far away from the arm support fixing plate, of the sliding table fixing plate is fixedly connected with the sliding table, one end, far away from the sliding table fixing plate, of the arm support fixing plate is fixedly connected with the support arm support, the rotating pin is fixedly connected with the support arm support, the limiting sleeve is arranged at one end, penetrating through the sliding table fixing plate and the arm support fixing plate, of the rotating pin, the fastener penetrates through the limiting sleeve and is connected with the rotating pin, and the limiting sleeve is used for limiting the sliding table fixing plate to move left and right in a rotating shaft.
5. A foldable maintenance trolley according to claim 4, characterized in that: the sliding table fixing plate and the arm support fixing plate are mutually locked and fixed through bolts so as to stabilize the support arm support in work.
6. A collapsible maintenance trolley according to any one of claims 3 to 5, wherein: the support arm frame comprises a fixed arm, a telescopic arm and a beam assembly, and the arm frame fixed plate is arranged on the fixed arm;
the telescopic arm is movably arranged on the fixed arm through a telescopic driving piece;
the beam assembly is arranged at one end of the telescopic arm far away from the fixed arm, and the beam assembly is provided with a maintenance arch.
7. A foldable maintenance trolley according to claim 6, characterized in that: the beam assembly comprises a beam and a power part, the middle part of the beam is hinged with the telescopic arm, and two ends of the beam freely extend towards two sides along the horizontal direction; the two ends of the power part are respectively connected with the cross beam and the telescopic arm, and the cross beam is driven to rotate around a hinged point of the cross beam and the telescopic arm through the power part.
8. A collapsible maintenance trolley according to claim 1, wherein: the maintenance arch center comprises a plurality of arc-shaped arch sections, the arc-shaped arch sections are hollow pipe bodies with two sealed ends, two adjacent arc-shaped arch sections are hinged, and water pipes are arranged between the arc-shaped arch sections for connection.
9. A collapsible maintenance trolley according to claim 8, wherein: and a plurality of spray heads are arranged on the maintenance arch frame and are communicated with the arc-shaped arch section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582869.XU CN216198154U (en) | 2021-10-26 | 2021-10-26 | Foldable maintenance trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582869.XU CN216198154U (en) | 2021-10-26 | 2021-10-26 | Foldable maintenance trolley |
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| Publication Number | Publication Date |
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| CN216198154U true CN216198154U (en) | 2022-04-05 |
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| CN202122582869.XU Active CN216198154U (en) | 2021-10-26 | 2021-10-26 | Foldable maintenance trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024011493A1 (en) * | 2022-07-14 | 2024-01-18 | 湖南五新隧道智能装备股份有限公司 | Maintenance trolley |
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2021
- 2021-10-26 CN CN202122582869.XU patent/CN216198154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024011493A1 (en) * | 2022-07-14 | 2024-01-18 | 湖南五新隧道智能装备股份有限公司 | Maintenance trolley |
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