CN211874084U - Hydraulic telescopic maintenance tent - Google Patents

Abstract

The utility model discloses a hydraulic stretching maintenance tent, including tent unable adjustment base, through the flexible combination frame of Z axle installation in the flexible combination frame of tent and many two effect bracing pieces at tent unable adjustment base top, tent unable adjustment base is used for installing on vehicle chassis, and the flexible combination frame of Z axle passes through hydraulic control system and is connected with an electric cabinet electricity, and hydraulic control system is used for controlling the flexible combination frame of tent along the elevating movement of Z axle direction. The utility model discloses changed and relied in the past to maintain the tradition that the tent was set up and was removed and receive and set up the mode, set up the in-process and relied on automatically controlled hydraulic system to provide power, the motion part of tent extends or contracts under hydraulic system's promotion, the operation number hand only needs to accomplish the two effect bracing pieces of installation and two works of beating the ground nail at the tent set up in-process, easy operation, stable in structure, convenient durable, has effectively solved the utility model discloses the above-mentioned technical problem that will solve, the practicality is strong.

Description

Hydraulic telescopic maintenance tent

Technical Field

The utility model relates to a field operations equipment salvagees the field, especially relates to a hydraulic pressure maintenance tent that stretches out and draws back.

Background

At present, when equipment maintenance support army carries out equipment maintenance support tasks under field conditions, the existing maintenance tent mainly has the following problems:

firstly, the open time of each element of the field repair station is long: when equipment maintenance support is carried out under field operation conditions, a field operation repair place is usually set up by relying on a net rack maintenance tent, and the tent can be set up only after about 120 minutes of using more than 10 skilled operators; meanwhile, the overall dimension of the field repair tent is large, and the occupied area reaches 150m²As described above, the height limit of 6m or more is also considered, and therefore, there is a large limitation in field exploration, and particularly, in jungle regions, selection is more difficult.

Secondly, each element of the field repair station is inconvenient for camouflage and maneuvering forwarding: the field repair station mainly comprises a field repair tent and a spare part tent, wherein the height of the existing field repair tent, such as 2003-150 type field repair tent, is about 5.6m, the width is about 10m, the length of a main tent (including double ears) is about 19m, and the using area reaches 150m²When in camouflage, a maintainer needs to butt joint at least 16 camouflage nets on site, and needs a plurality of people to cooperate, the butted camouflage nets are overlapped to the top of the tent by means of the stay bars and the net stretching devices, and the camouflage can be finished after deformation,it can be calculated as follows: the weight of 1 camouflage net is about 17.5 kilograms, the weight of 16 camouflage nets is 280 kilograms, and because the top of the tent cannot bear larger weight, the tent is placed under a plurality of operators, so that the difficulty of supporting the weight of 280 kilograms to the top of the tent 5.6 meters high is high, and the consumed time is longer under severe meteorological conditions; the field repair tent is generally composed of 5 equipment boxes, and has a weight of about 1100 kg and a volume of about 4.54m³(ii) a Correspondingly, the spare part tent is provided with 4 equipment boxes and a plurality of bundles of iron rod pieces, and in addition, the camouflage support equipment and the equipment arranged in the field operation repair tent are arranged, 1 transport vehicle is required for loading the equipment when each element of the whole field operation repair tent is arranged, in addition, each equipment box weighs 200-300 kg, at least 6 persons are required to complete the operation in a cooperative manner, the materials are carried and loaded, the inconvenience is caused, the rapid deployment and conversion and the flexible maneuvering are very difficult, the arrangement and withdrawal time of the field operation repair tent is prolonged, and the equipment rush-repair speed and efficiency are restricted.

Thirdly, the framework of the tent repaired in field operations is easy to damage. At present, equipment maintenance support army sets up field operations repair institute under the field operations condition, mostly adopt the repair tent of "folding arch rack of manual locking formula" structure, tent "skeleton" adopts the diameter phi 20mm wall thickness 1.2 mm's aluminum alloy pipe to make, adopt "hinge" formula structural connection each other, set up and remove the receipts in-process, when the arm of force is longer or "skeleton" extension line is not corresponding the position, will appear causing "skeleton" bending because of intensity is not enough, the rupture, and the tent after the damage is difficult for restoreing, field operations repair tent limitation is great, the suitability is not strong, most army all do not want to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic stretching maintenance tent that structural design is reasonable, the motion part can extend or contract under hydraulic system's promotion, easy operation, stable in structure, convenient and practical can effectively solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a hydraulic stretching maintenance tent, including tent unable adjustment base, through Z axle telescopic combined frame install in the flexible combined frame of tent and many two effect bracing pieces at tent unable adjustment base top, tent unable adjustment base is used for installing on vehicle chassis, Z axle telescopic combined frame passes through hydraulic control system and is connected with an electric cabinet electricity, hydraulic control system is used for control the flexible combined frame of tent is along the elevating movement of Z axle direction.

Optionally, the bottom of the tent fixing base is provided with an electric control cabinet and a hydraulic system control cabinet which are respectively used for installing the electric control box and the hydraulic control system.

Optionally, the tent fixing base is mounted on the vehicle chassis through a U-shaped bolt.

Optionally, the Z-axis telescopic combined frame includes a plurality of movable columns and a plurality of fixed columns, the movable columns are installed at four corners of the tent telescopic combined frame, the fixed columns are correspondingly installed at four corners of the tent fixing base, the movable columns are sleeved outside the fixed columns at corresponding positions, and each movable column is connected with a hydraulic cylinder respectively, so that the movable columns can be controlled to move up and down in the Z-axis direction relative to the fixed columns.

Optionally, the tent telescopic combined frame comprises a fixed frame and a Y-axis telescopic combined frame, two sides of the fixed frame are respectively provided with the Y-axis telescopic combined frame, the Y-axis telescopic combined frame is slidably connected with the fixed frame through a Y-axis direction slide rail, and a hydraulic cylinder is arranged between the Y-axis telescopic combined frame and the fixed frame and can drive the Y-axis telescopic combined frame to expand towards two sides along the Y-axis direction; fixed frame with there are first tent flat board and second tent flat board in the Y axle telescopic combined frame respectively slidable mounting, just fixed frame with between the first tent flat board and Y axle telescopic combined frame with all be provided with the pneumatic cylinder between the second tent flat board, can drive first tent flat board and/or the dull and stereotyped expansion of following X axle direction side of second tent.

Optionally, the second tent flat plate is a convex-concave type three-stage expansion plate, the convex-concave type three-stage expansion plate comprises a first flat plate, a second flat plate and a third flat plate which are sequentially connected with each other in a sliding manner through a guide rail from top to bottom, and the third flat plate is connected with the Y-axis telescopic combined frame through a hydraulic cylinder; the first tent panel is configured identically to the second tent panel.

Optionally, an elastic safety lock pin is installed on the Y-axis telescopic combined frame, and when the maintenance tent is contracted and is in a road maneuvering or railway transportation state, the elastic safety lock pin can limit the Y-axis direction movement of the Y-axis telescopic combined frame.

Optionally, the outer periphery cover of the Z-axis telescopic combined frame is provided with an external carriage, and one side of the external carriage is also provided with a boarding ladder.

Optionally, the double-acting supporting rod is an adjustable telescopic rod, a clamping groove is formed in the tent telescopic combined frame, a 90-degree switching mechanism is arranged at the top end of the double-acting supporting rod, the 90-degree switching mechanism is inserted into the clamping groove and can rotate by 90 degrees to be achieved through the 90-degree switching mechanism, and the 90-degree switching mechanism is separated from and clamped to the clamping groove.

Optionally, the Z-axis telescopic combined frame and the tent telescopic combined frame are both made of GB galvanized square tubes or rectangular square tubes.

The utility model discloses for prior art gain following technological effect:

the utility model provides a hydraulic stretching maintains tent has changed and has relied in the past the manpower to maintain the tent and set up and remove the tradition of receiving and set up the mode, set up the in-process and rely on automatically controlled hydraulic system to provide power, the motion part of tent extends or contracts under hydraulic system's promotion, the operation number hand only needs to accomplish the installation two effect bracing pieces and beat two works of ground nail at the tent set up in-process, 3 ~ 5 operation number hands can accomplish the tent and set up or remove and receive, only need 10 ~ 15 minutes during the use, easy operation, stable in structure, convenient and durable, effectively solved the utility model discloses the above-mentioned technical problem that will solve, the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without inventive labor.

Fig. 1 is a schematic view of an installation structure of a hydraulic telescopic maintenance tent of the present invention;

fig. 2 is a schematic view of the installation structure of the tent fixing base and the vehicle chassis of the present invention;

fig. 3 is a schematic view of the expanded structure of the boarding ladder of the present invention;

fig. 4 is a schematic view of the mounting structure of the dual-acting support rod of the present invention;

fig. 5 is a schematic view of the expansion structure of the Z-axis telescopic combined frame of the present invention;

fig. 6 is a schematic view of an expanded structure of a second tent plate according to the present invention;

fig. 7 is a schematic structural view of a hydraulic telescopic maintenance tent according to the present invention;

fig. 8 is a schematic view of the mounting structure of the dual-acting support rod of the present invention;

fig. 9 is a schematic structural view of a control panel in the electric control cabinet of the present invention;

fig. 10 is an electric control schematic diagram of the present invention;

FIG. 11 is a schematic diagram of the hydraulic system of the present invention;

wherein the reference numerals are: 1. a tent fixing base; 2. a U-shaped bolt; 3. a vehicle chassis; 4. an external compartment; 5. a Z-axis telescopic combined frame; 6. a hydraulic system control cabinet; 7. an electric control cabinet; 8. an elastic safety lock pin; 9. a vehicle-mounted tool cabinet; 10. an accessory cabinet; 11. boarding ladders; 11-1, an inner-layer boarding ladder; 11-2, an outer boarding ladder; 12. a control panel; 13. a hydraulic cylinder; 14. a double-acting support rod; 15. a 90 degree transfer mechanism; 16. a Y-axis telescopic combined frame; 16-1, a first plate; 16-2, a second plate; 16-3, third plate; 17. fixing the guide rail; 18. a primary guide rail; 19. a secondary guide rail; 20. a third-stage guide rail; 21. fixing the upright post; 22. a movable upright post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in fig. 1 to 8, the present embodiment provides a hydraulic telescopic maintenance tent, which mainly comprises a tent fixing base 1, a tent telescopic combined frame installed on the top end of the tent fixing base 1 through a Z-axis telescopic combined frame 5, and a plurality of double-acting support rods 14; the tent fixing base 1 is preferably made of a Q235 section bar by adopting a welding and U-shaped bolt 2 connecting structure, the U-shaped bolt 2 is a M32 bolt with the strength of 10.9, as shown in figure 2, the tent fixing base 1 can be arranged on a vehicle chassis 3 of a military transport vehicle EQ2102 by 4U-shaped bolts 2, and the structural strength and the position relation of the device and the vehicle chassis 3 are ensured. The flexible combined frame of tent includes fixed frame and the flexible combined frame 16 of Y axle, the flexible combined frame 5 of Z axle includes many movable stand columns 22 and many fixed stand columns 21, four angles of above-mentioned fixed frame are provided with movable stand column 22 respectively, be provided with fixed stand column 21 on four angles that correspond on the tent unable adjustment base 1, movable stand column 22 adopts clearance fit mode suit fixed stand column 21 outside, and fixed stand column 21 is provided with stand column fixed guide rail groove, install on the movable stand column 22 be used for with stand column fixed guide rail groove sliding fit installation's stand guide rail, this stand guide rail is connected with the pneumatic cylinder, be used for driving movable stand column 22 to do the Z axle direction removal as shown in figure 7 along stand column fixed guide rail groove.

In this embodiment, the upper surface of the tent fixing base 1 can also be used for installing maintenance equipment tools and spare part storage cabinets or other field facilities such as maintenance worker camping facilities. As shown in fig. 1, the resilient safety catch 8 is preferably connected to the Z-axis telescopic combi-frame 5 as a unit by 2M 10 bolts. The function is that when the maintenance tent is in a road maneuvering or railway transportation state, the elastic safety lock pin 8 can mechanically lock the movement of the Y-axis telescopic combined frame 16, and simultaneously play a role of preventing the Y-direction movement of the Y-axis telescopic combined frame 16 with the hydraulic lock, namely preventing the Y-axis telescopic combined frame 16 from extending outwards or inwards relative to the fixed frame.

In this embodiment, as shown in fig. 1 and 5, the vehicle-mounted tool cabinet 9 is disposed at the lower right rear portion of the tent fixing base 1, the accessory cabinet 10 is disposed at the lower right front portion of the tent fixing base 1, and the hydraulic system control cabinet 6 is disposed at the lower left front portion of the tent fixing base 1 for installing a hydraulic control system; the electric control cabinet 7 is arranged at the left rear lower part of the tent fixing base 1 and used for installing the electric control box; the boarding ladder 11 is located at the left rear part of the external carriage 4, and a plurality of rectangular windows for ventilation are further formed in the external carriage 4.

In this embodiment, the Y-axis telescopic combined frame 16 is slidably connected to the second tent panel through a slide rail, and a hydraulic cylinder 13 is disposed between the Y-axis telescopic combined frame 16 and the second tent panel, and the hydraulic cylinder can drive the Y-axis telescopic combined frame 16 to expand towards two sides of the fixed frame, i.e. in the Y-axis direction as shown in fig. 7. Specifically, the second tent flat plate is preferably a convex-concave type three-stage expansion plate, and comprises a first flat plate 16-1, a second flat plate 16-2 and a third flat plate 16-3 which are sequentially connected through a guide rail in a sliding manner from top to bottom, the outer sides of the first flat plate 16-1, the second flat plate 16-2 and the third flat plate 16-3 are respectively provided with a first-stage guide rail 18, a second-stage guide rail 19 and a third-stage guide rail 20, as shown in fig. 6, the side edge of the expanded Y-axis telescopic combined frame 16 is provided with a fixed guide rail 17, the fixed guide rail 17 is in sliding connection with the first-stage guide rail 18, the first-stage guide rail 18 is in sliding connection with the second-stage guide rail 19, the second-stage guide rail 19 is in sliding connection with the third-stage guide rail 20, a convex guide groove is installed on the third-stage guide rail, a convex guide groove is arranged on the first-stage guide rail 18 and is matched and connected with a concave guide groove of the fixed guide rail 17, a hydraulic cylinder 13 is arranged on the Y-axis telescopic combined frame 16 and is connected with the front end of the third flat plate 16-3, so that the third-stage guide rail combination can move linearly under the pushing of the hydraulic cylinder 13, and the degrees of freedom in other directions are limited.

Further, in the present embodiment, the structure of the first tent panel is identical to that of the second tent panel, and the mounting principle of the fixed frame and the first tent panel is the same as that of the aforementioned three-stage rail of the Y-axis telescopic combined frame 16, that is, the third panel in the first tent panel is connected to the fixed frame through a hydraulic cylinder, and the three-stage rail is moved linearly under the pushing of the hydraulic cylinder, so that the degrees of freedom in other directions are limited.

In this embodiment, as shown in fig. 4, after the first tent panel and the second tent panel are both unfolded, the double-acting support rod 14 needs to be used for supporting and fixing, the double-acting support rod 14 is supported in the clamping grooves of the Y-axis telescopic combined frame 16 and the Z-axis telescopic combined frame 5, as shown in fig. 9, a convex 90-degree adapting mechanism 15 is arranged at the top end of the double-acting support rod 14, separation and clamping are realized by rotating 90 degrees, a concave shape is arranged at the corresponding position of the tent panel for the top end of the double-acting support rod 14 to rotate, and the double-acting support rod 14 can overcome vehicle body inclination caused by downward gravity of the tent panel and prevent deformation of the concave-convex; when the wind power is large, the flat plate of the tent can be prevented from being lifted upwards under the action of the wind power, the firmness and the stability are increased, the reliability and the safety are improved, and the double-acting supporting rod 14 is preferably an adjustable telescopic rod structure and can be adjusted in a telescopic way to adapt to different heights of the tent; when the multifunctional telescopic support rod is not needed to be used, the double-acting support rods 14 are contracted and collected, and the multifunctional telescopic support rod is convenient to collect and carry.

In this embodiment, the specific unfolding process of the hydraulic telescopic maintenance tent is as follows: as shown in figures 9-11, the first embodiment of the invention,

the method comprises the following steps that 1 operation handle (generally, a driver can carry out work), a 24V power switch button on a control panel 12 is pressed to switch on a 24V power supply, a generator power supply button is pressed to switch on a generator 380V power supply, a hydraulic pump starting button on the control panel 12 is pressed to start a motor, the motor drives a hydraulic pump to rotate, an upright post ascending button is pressed, a movable upright post 22 of the maintenance tent is pushed by 4 upright post lifting hydraulic cylinders to ascend along a fixed upright post, and the upright post ascending button is released after the movable upright post 22 ascends to a required height; pressing a middle unfolding button on the control panel 12, unfolding the three-stage guide rail of the first tent panel rightwards along the convex-concave three-stage combined sliding guide rail under the pushing of the double-acting multi-stage hydraulic cylinder, supporting the support rod by 1-2 operation number hands after unfolding, and fixing the support rod by a ground nail; pressing a front expansion button on a control panel 12, enabling a Y-axis telescopic combined frame 16 at the front part to move forwards under the pushing of a double-acting single-stage hydraulic cylinder, automatically opening a sequence valve in a hydraulic system after the frame moves to a required position, enabling a three-stage flat plate to expand rightwards along a convex-concave three-stage combined sliding guide rail under the pushing of a double-acting multi-stage hydraulic cylinder, supporting a support rod by 1-2 operating fingers after the frame is expanded, and driving a ground nail for fixing; a rear expansion button on a control panel 12 is pressed, a Y-axis telescopic combined frame 16 at the rear part moves backwards under the pushing of a double-acting single-stage hydraulic cylinder, after the frame moves to a required position, a sequence valve in a hydraulic system is automatically opened, a three-stage sliding plate is pushed by a double-acting multi-stage hydraulic cylinder to expand rightwards along a convex-concave three-stage combined sliding guide rail, and after the frame is expanded, a support rod is supported by 1-2 operating fingers and is fixed by a ground nail. The tent is withdrawn and maintained in the reverse order of the deployment. The control panel 12 and the hydraulic control system are both in the prior art, the hydraulic cylinders mentioned above all belong to the hydraulic control system, the specific connection mode and distribution mode are based on those shown in fig. 11, the working principle of the control panel 12 and the connection mode of the electric cabinet and the hydraulic control system are all known in the art, and are not described herein again.

In this embodiment, as shown in fig. 1, the upper end of the hydraulic telescopic maintenance tent may be used to install a camouflage net storage mechanism.

In this embodiment, as shown in fig. 3, the boarding ladder 11 is divided into an inner-layer boarding ladder 11-1 and an outer-layer boarding ladder 11-2, the outer-layer boarding ladder 11-2 and the Z-axis telescopic combined frame 5 are connected into a whole by bolts, the inner-layer boarding ladder 11-1 and the outer-layer boarding ladder 11-2 slide in a sleeved manner, the lower part of the inner-layer boarding ladder 11-1 is connected with the tent fixing base 1 into a whole by bolts, and when the Z-axis telescopic combined frame 5 performs a rising movement in the Z-axis direction, the inner and outer layers of the boarding ladder 11 are pulled in the Z-axis direction as shown in fig. 7. When carrying out camouflage protection, 2 operation bugs can climb to the roof along the ladder 11 of boarding after the expansion, can open the protection network, with the camouflage net ground nail taut, warp. The withdrawing of the camouflage net is carried out in the reverse order of the expanding.

The embodiment has the following specific beneficial effects:

(1) the hydraulic telescopic field maintenance tent changes the traditional erection mode that the tent is erected and retracted by manpower, an electric control hydraulic system provides power in the erection process, the moving part of the tent is pushed by the hydraulic system to extend or retract, an operation number hand only needs to complete two works of installing a double-acting support rod and driving ground nails in the tent erection process, 3-5 operation number hands carry out tent erection or retraction, and the operation can be completed in 10-15 minutes only when the operation number hand is used, so that the hydraulic telescopic field maintenance tent is simple to operate, stable in structure, convenient and practical;

(2) during camouflage, the height of a tent is raised by means of a hydraulic telescopic mechanism, so that a boarding ladder is stretched, 2-3 operation crews climb to the roof along a drawing type boarding ladder on the left rear side of a vehicle body, camouflage nets are sequentially unfolded, then the operation crews return to the ground along the drawing type boarding ladder to be nailed, the camouflage nets are deformed by using supporting rods and net stretching devices, the camouflage work of a field repair place can be finished within about 10 minutes, the removal is simple and quick, the number of the operation crews and the operation time are reduced, the rapid deployment and conversion and the flexible maneuvering are very facilitated, and the equipment first-aid repair speed and efficiency can be improved;

(3) the main body framework of the bearing part, including the Z-axis telescopic combined framework 5, the tent telescopic combined framework and the double-acting support rod 14, is preferably made of aluminum alloy round tubes, and has high material strength and good corrosion resistance; the combined guide rail for relative movement is made of medium carbon high-quality alloy steel through heat treatment and surface electroplating treatment, so that the comprehensive mechanical property of the material is improved, and the wear resistance and corrosion resistance of the surface of the combined guide rail are improved; the auxiliary bearing part is formed by riveting an aluminum alloy rectangular square tube and an anti-skid aluminum plate, is used for realizing the wind-shielding, rain-proof and light-shielding functions of the traditional tent tarpaulin, and has the advantages of good structural strength, light weight and corrosion resistance; the hydraulic telescopic field maintenance tent structure accords with the mechanical design principle, simplifies the movement mode of relative moving parts, and has stable structure and durability.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. The utility model provides a hydraulic pressure maintenance tent that contracts which characterized in that: including tent unable adjustment base, through the flexible combination frame of Z axle install in the flexible combination frame of tent and many two effect bracing pieces at tent unable adjustment base top, tent unable adjustment base is used for installing on vehicle chassis, the flexible combination frame of Z axle passes through hydraulic control system and is connected with an electric cabinet electricity, hydraulic control system is used for control the flexible combination frame of tent is along the elevating movement of Z axle direction.

2. The hydraulic telescoping service tent of claim 1, wherein: and the bottom of the tent fixing base is provided with an electric control cabinet and a hydraulic system control cabinet which are respectively used for installing the electric control box and the hydraulic control system.

3. The hydraulic telescoping service tent of claim 1, wherein: the tent fixing base is installed on the vehicle chassis through U-shaped bolts.

4. The hydraulic telescoping service tent of claim 1, wherein: the Z-axis telescopic combined frame comprises a plurality of movable stand columns and a plurality of fixed stand columns, the movable stand columns are arranged at the four corners of the tent telescopic combined frame, the fixed stand columns are correspondingly arranged at the four corners of the tent fixed base, the movable stand columns are sleeved outside the fixed stand columns at corresponding positions, the movable stand columns are respectively connected with a hydraulic cylinder, and the movable stand columns can be controlled to move up and down in the Z-axis direction relative to the fixed stand columns.

5. The hydraulic telescoping service tent of claim 1, wherein: the tent telescopic combined frame comprises a fixed frame and a Y-axis telescopic combined frame, wherein the Y-axis telescopic combined frame is respectively installed on two sides of the fixed frame, the Y-axis telescopic combined frame is connected with the fixed frame in a sliding mode through a Y-axis direction sliding rail, and a hydraulic cylinder is arranged between the Y-axis telescopic combined frame and the fixed frame and can drive the Y-axis telescopic combined frame to expand towards two sides along the Y-axis direction; fixed frame with there are first tent flat board and second tent flat board in the Y axle telescopic combined frame respectively slidable mounting, just fixed frame with between the first tent flat board and Y axle telescopic combined frame with all be provided with the pneumatic cylinder between the second tent flat board, can drive first tent flat board and/or the dull and stereotyped expansion of following X axle direction side of second tent.

6. The hydraulic telescoping service tent of claim 5, wherein: the second tent flat plate is a convex-concave type three-stage expansion plate, the convex-concave type three-stage expansion plate comprises a first flat plate, a second flat plate and a third flat plate which are sequentially connected through a guide rail in a sliding manner from top to bottom, and the third flat plate is connected with the Y-axis telescopic combined frame through a hydraulic cylinder; the first tent panel is configured identically to the second tent panel.

7. The hydraulic telescoping service tent of claim 5, wherein: and an elastic safety lock pin is arranged on the Y-axis telescopic combined frame, and when the maintenance tent is contracted and is in a road maneuvering or railway transportation state, the elastic safety lock pin can limit the Y-axis direction movement of the Y-axis telescopic combined frame.

8. The hydraulic telescoping service tent of claim 1, wherein: the outer periphery cover of Z axle telescopic combined frame is established and is installed outside carriage, the boarding ladder is still installed to one side in outside carriage.

9. The hydraulic telescoping service tent of claim 1, wherein: the utility model discloses a tent, including two effect bracing pieces, tent telescopic combined frame, two effect bracing pieces are adjustable telescopic link, be provided with the draw-in groove on the flexible combined frame of tent, the top of two effect bracing pieces is provided with 90 degrees switching mechanism, 90 degrees switching mechanism insert locate in the draw-in groove, and can through with 90 degrees switching mechanism rotate 90 degrees and realize 90 degrees switching mechanism with the separation and the joint of draw-in groove.

10. The hydraulic telescoping service tent of claim 1, wherein: the Z-axis telescopic combined frame and the tent telescopic combined frame are both made of GB galvanized square tubes or rectangular square tubes.

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