79results about "Train hauling devices" patented technology

The invention provides a walking type train carriage boosting device, and belongs to the technical field of railway vehicle displacement auxiliary equipment. The walking type train carriage boosting device comprises a walking rod, a connecting plate and a boosting device body. The boosting device comprises a power output unit, a chain transmission mechanism, a baffle frame, a pushing wheel set and a supporting wheel. The supporting wheel is installed on the rear side of the power output unit, the power output unit is arranged on the inner side of the baffle frame, the chain transmission mechanism is arranged on the outer side of the baffle frame, an output shaft of the power output unit is connected to the chain transmission mechanism, the pushing wheel set is arranged below the inner side of the baffle frame, and the two ends of the pushing wheel set are movably connected to the baffle frame. According to the walking type train carriage boosting device, the good transmission effect between the driving wheel and the carriage wheel is achieved through the groove between the driving wheel and the train wheel, and the walking type train carriage boosting device has the advantages of being small in occupied space, capable of saving labor and easy to operate and can be used for moving boosting of various train carriages.

The invention discloses a bogie pushing device which comprises a rack, a guide wheel assembly, a follow-up assembly and a driving assembly. The guide wheel assembly is arranged on the rack and is configured to move along the track; the follow-up assembly is arranged on the machine frame and comprises a supporting beam, a walking wheel, a pressing wheel adjusting mechanism and a tensioning part. The supporting beam is rotationally connected with the rack; the walking wheels are arranged on the supporting beams and configured to make contact with the rims of the wheels. The pinch roller adjusting mechanism is arranged on the supporting beam, comprises a pinch roller and is configured to be in contact with the inner side of the rim; the tensioning part is arranged between the supporting beam and the rack and is configured to apply an acting force to the supporting beam to enable the supporting beam to move towards the direction close to the wheels, so that the walking wheels and the pressing wheels are kept in a contact state with the wheels; the driving assembly is arranged on the rack and is configured to drive the pushing device to move along the track so as to push the bogie to move along the track. The bogie can automatically move along the track, the operation efficiency is improved, the labor intensity is reduced, and potential safety hazards are reduced.

The utility model discloses a mining monorail two-way car pusher which comprises a guide rail, a car pushing plate is arranged at the top of the guide rail, two ground wheels are rotationally connected to the two sides of the car pushing plate respectively, a mine car body is arranged at the top of the car pushing plate, traction rings are fixedly connected to the two ends of the car pushing plate respectively, and traction wires are connected to the traction rings in a bolted mode. The two ends of the top of the guide rail are fixedly connected with motors, the output ends of the motors are in key connection with take-up reels, the other end of the pull wire is in winding connection with the take-up reels, two claw collecting grooves are formed in the top of the cart plate, a rotating rod is rotationally inserted between the two sides of the cart plate, the two ends of the rotating rod are sleeved with springs, and the outer wall of the rotating rod is fixedly connected with push claws. The pushing claws are arranged in the claw collecting grooves, the two ends of the rotating rod are fixedly connected with handles, and a plug pin hole is formed in one side of each handle. The two push claws are arranged on the same mine car body, so that the cost of equipment and the load of a driving device can be reduced.

A kind of double-girder empty car shunting machine with pusher device and its control method, the pusher device is provided with including main pitch arm and vice pitch arm, the top of main pitch arm is provided with main car hook, the middle part of main pitch arm is hinged with one end of connecting rod, the bottom of main pitch arm is hinged with one side of empty car shunting machine body, the other side of empty car shunting machine body is hinged with the bottom of vice pitch arm, the middle part of vice pitch arm is hinged with the other end of connecting rod, the top of vice pitch arm is provided with vice car hook, the middle part of main pitch arm is hinged with one end of pull rod, the other end of pull rod is transmission matched with the output shaft of motor, the top of empty car shunting machine body is further provided with height limiter for monitoring the position of main pitch arm, controller controls motor by the signal of height limiter feedback.This design cooperatively controls two pitch arms of empty car shunting machine with double-girder structure, realizes the effect that one empty car shunting machine considers two empty car lines pusher operation.

The invention discloses a vehicle pulling and moving platform of a railway freight intelligent loading and unloading system, which comprises a vehicle moving platform and a vehicle pulling machine, and the vehicle pulling machine is used for connecting and pulling a vehicle; a rack is arranged on the car moving platform, a walking motor and a walking gear are arranged in the car puller body, and the walking motor drives the car puller body to move when driving the walking gear to rotate. A car moving track perpendicular to the car pulling track is arranged in the pit, and the car moving platform is installed on the car moving track. According to the automatic track line changing device, firstly, a vehicle is pulled to the vehicle moving platform from the track A through the vehicle pulling machine, then the vehicle is horizontally moved to be aligned with the track B through the vehicle moving platform, and finally the vehicle is pushed to the track B through the vehicle pulling machine, so that automatic line changing of the track is achieved; no extra line changing track needs to be arranged, the occupied area is small, and the basic equipment cost is low.

The utility model discloses auxiliary equipment for end connection of rail transit vehicles, which comprises a bottom plate, a rotating sleeve fixedly mounted at the top of the bottom plate, a telescopic rod rotatably mounted in the rotating sleeve, an electric cylinder fixedly mounted at the top of the bottom plate, a mounting plate fixedly mounted at the output end of the electric cylinder, and a rotating rod rotatably mounted at the top of the mounting plate. Driving wheels are fixedly mounted on the outer sides of the two ends of the rotating rod; the two binding drawstrings assist in pulling the carriage to move, so that the time required by traditional vehicle connection is greatly shortened, errors and delay possibly caused by manual adjustment of the position of the carriage are reduced, and the overall operation efficiency is greatly improved; compared with the prior art, great convenience is provided for follow-up accurate and rapid connection work of the ends of the carriages, installation of a mechanical locking device and butt joint of an electrical system and a signal system can be completed in a more compact time window, and the accuracy and safety of train assembly are further ensured.

The present application provides a kind of rail vehicle traction equipment, comprising: crossbeam, the lower portion of the crossbeam is provided with two fixed base, the inside of the fixed base is fixedly installed with crossbar, the top surface of the crossbeam is fixedly installed with winch;Adjusting assembly, the adjusting assembly is arranged in the bottom surface of the crossbeam, for adjusting the traction angle of the winch, by installing fixed base in the left and right sides of traction track, and by starting hydraulic cylinder drives crossbeam to be lifted, when crossbeam is lifted, rotating rod can support the two sides of crossbeam, when crossbeam and winch move to the best traction position, the hook of winch is connected with vehicle, subsequently start winch and carry out traction, so as to dynamically adjust the traction angle of winch according to the need of traction vehicle, so that traction angle and vehicle always keep the same level, greatly reduce the load of winch installation mechanism, also avoid affecting the normal driving of vehicle.

Provided is an automotive awning mounting 10 comprising a vehicle leaf portion 12 configured for operative mounting to a vehicle, the vehicle leaf portion 12 comprising at least one gudgeon 14 defining a plurality of tapered teeth 16, and an awning leaf portion 18 configured for operatively supporting an automotive awning, the awning leaf portion 18 comprising at least one gudgeon 14 defining a plurality of tapered teeth 16. The mounting 10 also includes a pin 20 passed via the gudgeons 14 to coaxially align said gudgeons 14 and connect the leaf portions 12 and 18, and a spring 22 arranged to bias said gudgeons 14 together so that the respective tapered teeth 16 mesh to form a Hirth coupling 24. In this manner, the respective leaf portions 12 and 18 are respectively pivotable with a force required to overcome the resulting spring-biased Hirth coupling 24 determined by a spring constant of said spring and a teeth profile angle of the Hirth coupling 24.

The invention relates to the technical field of visual control, and discloses a visual control method and system for a tractor hook picking and hooking process. The method comprises the steps that carriage distance data are obtained through weighted fusion of ultrasonic and infrared distance measurement values, and electric push rod stroke and tractor position data are collected; constructing a three-dimensional virtual scene according to the data, and dynamically mapping the position of the carriage and the rotation angle of the bolt; dividing a scene into a panoramic view layer and a close-up view layer, and superposing a data instrument panel on the panoramic view layer; according to the carriage distance change rate and the electric push rod stroke, the operation stage is judged, and view display modes are automatically switched; and drawing a thrust change curve on the close-up view layer, generating abnormal diagnosis information through thrust threshold comparison, and popping up a diagnosis panel. The problems that in the prior art, the tractor hook picking and hooking operation process is lack of visual monitoring, and abnormal conditions are difficult to find and process in time are solved, and the operation intuition and the troubleshooting efficiency are improved.

The present invention provides a single-rail two-way linkage device, a pusher device, a trolley, and a vehicle blocking method. The single-rail two-way linkage device includes a switch valve assembly and two pusher mechanisms. A cylinder barrel is provided between the two pusher mechanisms. A cylinder rod is provided in the cylinder barrel. The cylinder rod extends outward along the left and right ends of the cylinder barrel and is connected to the corresponding cylinder rod ear seats. The switch valve assembly is connected to the cylinder rod. Cylinder barrel return springs are provided at both ends of the cylinder rod. The two ends of the return spring act on the inner side surface of the corresponding cylinder rod ear seat and the corresponding cylinder barrel surface respectively. The present invention solves the deficiencies of one-way trolley pushing and fixed-point reversing of two-way trolley pushing, improves production efficiency, improves production safety, and meets various requirements in the production process. At the same time, the present invention can also be used as a single-rail two-way vehicle blocking device, making up for the deficiencies of one-way vehicle blockers, simplifying the structure of the vehicle blocker, achieving two-way vehicle blocking and preventing the blocked vehicle from moving, and preventing the hazards of rebound and vehicle slipping.

The invention relates to the technical field of shunting locomotives, and particularly discloses a shunting locomotive which comprises a locomotive body assembly, a top cover structure and a pantograph. The vehicle body assembly comprises a chassis, a cab and a mechanical room, the cab and the mechanical room are fixed to the chassis, an outdoor corridor is formed on the horizontal side of the cab, the mechanical room and the cab are arranged at intervals in the front-back direction, and the outdoor corridor communicates with the chassis and the mechanical room; the top cover structure comprises a top cover body and protective plates, the top cover body is installed on the top of the cab and the top of the mechanical room, the protective plates are installed on the two opposite sides of the top cover body in the left-right direction and extend in the front-back direction, in the left-right direction, the sides, away from the top cover body, of the protective plates incline upwards, and the protective plates cover an outdoor corridor; the pantograph is installed on the top cover body, the minimum distance between the pantograph and the top cover structure is larger than 500 mm, and the top cover structure forms an insulation interlayer between the vehicle body assembly and the pantograph. In this way, the problems that a shunting locomotive and pantograph equipment are difficult to be matched with each other, and potential safety hazards exist for operation safety of operators are solved.

The application provides a cart machine arranged on one side of a mine car track and used for assisting in pushing the mine car to move forward. The cart machine comprises a frame body, a rotary transmission assembly arranged on the frame body and a cart device. The bottom end of the rotary transmission assembly is higher than the height of the mine car track and lower than the height of the mine car, and the top end is higher than the height of the mine car. One end of the cart device is connected with the rotary transmission assembly, and the other end is horizontally arranged above the mine car track. When the mine car returns and runs below the rotary transmission assembly, the cart machine is started, and the cart device pushes the mine car to move. When the cart device runs above the rotary transmission assembly, the cart device is located at the top end of the rotary transmission assembly. When the mine car is pulled to the yard again, the cart device does not hinder the mine car. Since the cart machine is arranged on one side of the mine car track, even if the cart machine fails, the running mine car on the track will not be affected during maintenance. In addition, the cart machine has a simple structure and relatively low maintenance cost.

The invention provides a three-axle bogie suitable for a shunting locomotive and the shunting locomotive, and relates to the technical field of railway vehicle bogies. The three-axle bogie comprises a rack, a wheel pair, an axle box body, a triangular pull rod and a single pull rod; the rack is provided with a first shaft mounting position, a second shaft mounting position and a third shaft mounting position; the wheel pairs comprise a front-end wheel pair, a middle wheel pair and a rear-end wheel pair; the axle box body comprises a front axle box body, a middle axle box body and a rear axle box body; the triangular pull rod comprises a front-end triangular pull rod arranged between the outer side of the front axle box body and the rack and a rear-end triangular pull rod arranged between the outer side of the rear axle box body and the rack; and the single pull rod is arranged between the middle shaft box body and the rack. Through the optimal configuration, the driving stability of the wheel set is ensured, the transverse force of the wheel rail is reduced, and the abrasion of the wheel is reduced. In addition, the space between the adjacent wheel pairs is effectively released, the axle distance of the bogie is shortened, and therefore the capacity of a vehicle for passing through a small-radius curve is improved.

The utility model discloses a mine wellhead car operation system, which belongs to the technical field of mine wellheads and comprises a sliding rail, a sliding block capable of sliding is arranged in the sliding rail, and a working groove is arranged at the top of the sliding block. The inner wall of the working groove is rotationally connected with a movable shaft, and the two sides of the movable shaft are connected with a first supporting plate and a second supporting plate correspondingly. The device has the beneficial effects that by arranging the limiting groove, the limiting wheel, the supporting strip, the servo motor and the like, the sliding block can be conveniently limited, so that the trolley can be driven to move along the track, by arranging the push rod, the electric push rod, the movable shaft, the first supporting plate and the like, the first supporting plate and the second supporting plate can be conveniently driven to be supported, and the practicability is high. And by arranging a support, a rotating frame, a limiting plate, a pressing plate and the like, when the first supporting plate and the second supporting plate are driven to tilt, the trolley located on the rail is fixed.

A laser alignment system for a railcar mover is disclosed herein. The laser alignment system may comprise a laser mounted to a frame of a railcar mover that assists with the alignment of a rail wheel and the rail of a track when switching from road mode to rail mode. In various embodiments, the laser may be mounted to the frame of the railcar mover via a mount and / or mounting structure that enable the laser to be moved and / or the orientation of the laser to be adjusted relative to the railcar mover. In some embodiments, the laser alignment system may include a window underneath the operator of the railcar mover so that a laser beam emitted by the laser can be seen by the operator.

The utility model discloses a single-axle bogie suitable for a shunting locomotive. The single-axle bogie comprises a wheel set assembly, an axle box body, a connecting seat, a driving device, a vibration reduction device, a traction device, a suspension device and a brake device, the wheel set assembly comprises an axle and wheels, and the driving device is arranged in the middle of the wheels and used for driving the axle to rotate; the axle box bodies are rotationally connected with the axle and arranged on the two sides of the outer portion of the wheel, and meanwhile the axle box bodies are further connected with a vehicle body through the traction device; the bottom of the connecting base abuts against the top of the axle box body, the top of the connecting base is connected with a vehicle body by arranging the suspension device, and the top of the connecting base is further provided with the damping device connected with the vehicle body; and the braking device is hung at the bottom of the vehicle body and is used for braking the wheels. By simplifying a framework, a traction device, a suspension device and a brake device, the mass of the bogie is reduced, and the dynamic performance of a shunting locomotive is facilitated.

The present invention relates to a pushing rescue train management method in a zone controller (ZC), a device, and a medium. The method includes the following steps: step A: activating a train rescue zone in the ZC; step B: updating, by the ZC, "automatic rescue train protection" to a going-to-rescue state; step C: calculating, by the ZC, going-to-rescue movement authority (MA) for the "automatic rescue train protection" in the going-to-rescue state to "automatic rescued train protection"; step D: updating, by the ZC, the "automatic rescue train protection" to a performing-rescue state; and step E: calculating, by the ZC, pushing rescue MA for the "automatic rescue train protection". Compared with the prior art, the present invention has advantages of a highly abstract processing mechanism, applicability to various train rescue scenarios, and the like.

A transport facility includes: a carriage (2); an automated transport vehicle (3) configured to be coupled to the carriage (2) to move the carriage (2); and a controller configured to control an operation of the automated transport vehicle (3). The carriage (2) includes a body (21), and engagement sections (27) provided separately at a plurality of locations of the body (21). The automated transport vehicle (3) includes an engaging section configured to be engaged with one of the plurality of engagement sections (27). The controller determines, according to a movement mode of the carriage (2), the engagement section (27) with which the engaging section is to be engaged, from among the plurality of engagement sections (27).

The utility model is applied to the technical field of pusher push rods, and particularly discloses a pusher push rod remote control electric lifting device which comprises an installation frame, a containing box is fixedly installed on the side surface of one end of the installation frame, a storage battery is fixedly installed in the containing box, and a winch is fixedly installed in the containing box. The winch is located on one side of the stand column, a steel cable is fixedly installed on the outer surface of the lifting lug, and one end of the steel cable is connected with the winch. According to the car pusher push rod remote control electric lifting device, when the device needs to be used, a winch is driven to rotate through rotation of a motor, a steel cable can be collected through the winch, the steel cable can be supported and guided through a supporting pulley, the steel cable can be smoothly wound into the winch, and a pushing rod is pulled through the steel cable to rotate; and the pushing rod can move downwards and retract through rotation of the winch, manual operation of workers is not needed, and the labor intensity of the workers is reduced.

The invention relates to a self-moving method of a mining hydraulic moving train set running across a belt conveyor, and relates to the technical field of mining train sets, the mining hydraulic moving train set comprises an anchoring motor vehicle and a driven train set which are connected through a pushing jack, and further comprises a lifting assembly, a bottom lifting sliding shoe assembly and a propping assembly, the bottom lifting sliding shoe assembly comprises a bottom lifting jack, a sliding shoe part and an adjusting mechanism, the sliding shoe part is formed by connecting three sliding shoe parts which are sequentially hinged in series, and the adjusting mechanism can drive the three sliding shoe parts to be synchronously switched to a horizontal supporting state or enable the three sliding shoe parts to form an inverted-V-shaped supporting part with the middle protruding upwards; the automatic self-moving process of anchoring, pushing and supporting switching is achieved through the cooperative action of the anchoring motor vehicle, the pushing jack and the bottom lifting sliding shoe assembly, winch traction and manual track laying deviation adjustment do not need to be relied on, one-time moving can be completed only through remote control or manual operation by 1-2 persons, and compared with a traditional mode, the labor cost is effectively reduced.

The invention provides a multifunctional double-arm car puller, a multifunctional car dumper unloading system, a traction dispatching method and an acting method.The double-arm car puller comprises a car body, a clasp big arm device, a hook big arm device and a walking device.The clasp big arm device comprises a clasp big arm and a first driving device installed on the car body, the clasp big arm is of a folding structure, and the hook big arm is of a hook structure; the output end of the first driving device is connected with the large clasp arm and is used for driving the large clasp arm to rotate in a reciprocating manner; the hook big arm device comprises a hook big arm and a second driving device installed on the vehicle body, and the output end of the second driving device is connected with the hook big arm and used for driving the hook big arm to rotate in a reciprocating mode. According to the multifunctional car dumper unloading system, the clasp big arm device and the hook big arm device are arranged on one car puller, the splitting dispatching operation of general railway open wagons and the non-splitting dispatching operation of special railway open wagons are achieved at the same time, one car puller can be saved, and the occupied area and the investment cost of the unloading system are greatly reduced.

The utility model provides a car puller clasp big arm device, which relates to the technical field of railway car dumper unloading, and comprises a car body, a big arm, a connecting rod mechanism and a driving unit, one end of the big arm is hinged with the car body, and the end head of the other end of the big arm is provided with a U-shaped groove; the driving unit is fixed on the truck body, the large arm is connected with the driving unit through a connecting rod mechanism, the driving unit drives the large arm to rotate back and forth between the horizontal direction and the vertical direction through the connecting rod mechanism, and the maximum outline rotation radius r of the large arm is smaller than the distance R from the railway open wagon accessory to the rotation center of the large arm. A telescopic big arm in the prior art is replaced by the pitching big arm which is simpler and more effective, and clasp traction operation of the open wagon special for the railway is achieved.

The utility model discloses a switched reluctance speed regulation car pusher which comprises a connecting frame, a machine body is installed at the bottom of the car pusher, an installation frame is installed at the top of the car pusher, the installation frame is formed by welding a bottom plate and a cover plate, the cover plate is fixedly arranged at the top of the bottom plate, and the bottom plate is fixed to the connecting frame. One end of the push rod is rotationally arranged on the bottom plate of the mounting frame and located in the cover plate, and in the using process, thrust is provided for needed equipment through the push rod; a component force assembly is arranged in the mounting frame; in order to solve the problem that the mounting frame is damaged by the reverse acting force generated by the push rod of the car pusher, the component force assembly is additionally arranged, when the reverse acting force is generated, the component force assembly can intervene and play a role, the reverse acting force originally concentrated at one point is reasonably dispersed, the acting force is decomposed to multiple directions and parts, and therefore the effect of the car pusher is improved. And the strong extrusion force directly acting on the mounting frame originally is obviously reduced.

The invention relates to a rail vehicle pushing device, and belongs to rail transportation equipment. The vehicle body is located between two sets of steel rails of a track, the driving wheels are located on the two sides of the vehicle body and make contact with the inner side faces of the two sets of steel rails for friction driving, and the bearing wheels are located on the ground, making contact with the steel rails, of the lower portion of the vehicle body and support the vehicle body. The cart pushing plate is arranged in a top opening of the cart body in a swinging mode in the mode of being hinged to the cart body, the cart pushing plate swings between the horizontal state and the lifting inclined state, and when the cart pushing plate in the inclined state makes contact with the end of the cart body, the cart is moved in the inclined direction of the cart pushing plate. The cart plate is controlled in a gear-rack meshing mode, and bi-directional cart pushing can be achieved. The driving wheels are in contact with the tramcar track to transmit power so as to realize the car pushing operation, an auxiliary track does not need to be arranged, and the cost input is low.

The bidirectional intelligent push-pull robot comprises a supporting base, a rail is fixed to the top of the supporting base through bolts, a first moving mechanism is arranged on the inner wall of the rail and comprises a moving vehicle body A and supporting rollers A, and a bidirectional push head mechanism is arranged on the inner wall of the moving vehicle body A; a driving mechanism is arranged on one side of the first moving mechanism, a control mechanism is arranged on one side of the driving mechanism, a power supply mechanism is arranged on one side of the control mechanism, a second moving mechanism is arranged on one side of the power supply mechanism, and a wireless charging mechanism is arranged on the inner wall of the second moving mechanism; the two-way pushing head mechanism is used for carrying out two-way pushing operation on a mine car, the size of equipment is reduced, the deployment flexibility is improved, an electric control system replaces a hydraulic system, follow-up maintenance and overhaul of the equipment are facilitated, a sliding rail and roller moving structure is adopted, the push-pull robot can be conveniently used in complex scenes such as a single-face parking lot and a curve, and the practicability is high. And the operation flexibility of the mining area cart is improved.

The invention discloses a car pusher of a railway freight intelligent loading and unloading system, which comprises a car pusher main body arranged in a pit, the car pusher main body is provided with a walking motor, a walking gear, a walking wheel, a turnover oil cylinder and a turnover mechanism, the walking motor drives the walking gear to rotate, a rack is arranged on a step in the pit, and the rack is connected with the turnover oil cylinder. The walking gear is meshed with a rack in a pit, and when the walking motor rotates, the car pusher body is driven to walk through cooperation of the walking gear and the rack. The walking wheels are installed in guide rail grooves in a pit, and the car pusher body moves along the guide rail grooves under the action of the walking wheels. The turnover oil cylinder is connected with the turnover mechanism and drives the turnover mechanism to rotate; an arc-shaped wheel pushing plate with the diameter corresponding to the diameter of a train wheel is arranged at the end of the turnover mechanism. The gap between the steel rails is made into a pit, other positions are not occupied, space is saved, meanwhile, when the car pusher works, car pushing is achieved by pushing wheels, train unhooking is not needed, and time is saved.

The invention relates to a method for operating a discharge system, in which, in a preliminary process, a dismantling unit (ZLE) is dismantled by a push-off locomotive (ABL) above a vertex (SP) of the discharge system, in order to then run in a run-off process in the form of individual runs (AL), wherein the following steps are carried out. The push-off locomotive (ABL) is located using a travel counter starting from a reference position in the discharge system, and a relative location signal is generated. The movement of the push-off locomotive (ABL) is controlled by computer in a travel-based manner, wherein the push-off locomotive (ABL) is stopped to complete the dismantling unit (ZLE) pushing off, taking the location signal into account. The travel counter is monitored for its function. If a malfunction is detected during monitoring of the travel counter, a time-based computer-aided control is switched over.The push-off locomotive (ABL) is stopped to complete the push-off of the disassembly unit (ZLE) based on a time signal. Thus, in the event of a travel counter failure, the invention provides an alternative time-based method so that the push-off can be completed based on a time signal. The invention also relates to a process system and a computer program for implementing the method.

The present invention discloses an accessory box for a vehicle retarder air source treatment element, which comprises a box body with openings at both the top and the right side; the left side of the top of the box body is hinged to the lower left part of the box cover; the right end of the bottom of the box cover has a right side guard plate, and the right side guard plate is hermetically buckled on the right side opening of the box body; at the middle positions of the tops of the front and rear ends of the box body, there is a first main pipeline installation notch respectively; the two first main pipeline installation notches are fixedly connected to the left and right ends of the main pipeline through a pair of clamps respectively; the front and rear ends of the box cover respectively have a second main pipeline installation notch; when the first main pipeline installation notch and the second main pipeline installation notch are combined up and down, a pipeline through hole for accommodating the clamp and the main pipeline is formed; an insulating board is arranged on the inner side of the top of the box cover. The box cover of the present invention adopts a flip-up manner, which is not only convenient for on-site maintenance, but also has excellent sealing performance between the box body and the box cover, good sealing effect, and is beneficial to reducing the on-site maintenance amount.