CN201339388Y - Mechanical movable overhead door - Google Patents

Abstract

The utility model relates to a mechanical movable overhead door, which achieves labor-saving manual operation and rapid open and close and is primarily used for a cargo vehicle. The overhead door is formed by connecting a suspension box, a vehicle door and a drive system. The sides of two suspension boxes are welded on a vehicle frame, two suspension boxes are connected with the oil cylinder piston rods of two vehicle door cast steels through two piston rod suspension shafts, a bearing is installed on two ends of the piston rod suspension shafts, the bearing can move back and forth on the track arranged in the suspension boxes, the vehicle door is formed by connecting a middle part and two vehicle door cast steels, and an oil cylinder and a rack are integrated in the vehicle door cast steels; and a rotating rod, a semicircular bearing plate and a L-shaped bearing plate are also arranged on the middle part of the vehicle door. The drive system includes a drive shaft, a moving bearing support assembly, a fixed bearing support assembly, a connecting bearing support assembly and a gear; the gear is meshed with the rack of the vehicle door cast steel; so the vehicle door is driven to move forward and backward through the suspension box and to lift through the drive system, thereby achieving the open and close of the vehicle.

Description

Mechanical type moves overhead door

Affiliated technical field

The utility model relates to a kind of loading motor vehicle automobile door device, can be laborsaving, the car door of quick switch.

Background technology

At present, known car door structure is by the frame on the compartment, car door and loose-leaf, knocker is formed by connecting, by manpower control car door around loose-leaf up and down or about upset realize the switch of car door, still, a lot of car door are all very heavy, the people requires great effort during car door in upset very much, needs bigger strength just can finish the switch of car door, and car door is using when certain in limited time, distortion to a certain degree also can take place, and at this moment the switch car door more seems difficult.We can say that existing car door is all required great effort in use, difficulty.

Summary of the invention

In order to overcome existing car door switch effort, and car door be subjected to goods push laterally easily deformable, the problem of bringing for the switch car door, the utility model provides a kind of car door, this car door can not only be born crimp to a certain degree, and can be laborsaving, switch quickly.This utility model is not only applicable to the new car door, and the used car door also can reach identical effect by transforming.

The technical scheme that its technical problem that solves the utility model adopts is: mechanical type moves overhead door and is divided into transmission system, car door, suspension basket three parts, described suspension basket is connected by the piston rod of piston rod suspended axle with the built-in oil cylinder of car door, driving car door by the piston rod suspended axle moves forward and backward, transmission system is connected by link with car door, the tooth bar motion of the gear driven car door of transmission system drives the car door lifting by transmission system; Described two suspension baskets are arranged in the two ends on car door top, two suspension baskets are welded on two frames by its three root plates at side, two tracks are arranged in each suspension basket,, a piston rod suspended axle, in the piston rod suspended axle, be installed with a piston rod guide peg, a semicircular draw-in groove is arranged in the front and back end of every track, the piston rod upper end of the built-in oil cylinder of car door steel-casting packs into the middle part of piston rod suspended axle, at the two ends of piston rod suspended axle a rolling bearing is installed respectively, each bearing respectively is placed on the track; Wherein car door is divided into two parts again, promptly form by the car door steel-casting of car door mid portion and its both sides, the part at car door two ends is shapes, structure is two parts of symmetry each other, be called the car door steel-casting, the car door steel-casting has built-in oil cylinder and outside oil pipe and valve, mid portion is the largest portion of car door, be called the car door mid portion, the car door steel-casting links to each other by the bolt that is added with butterfly spring with the car door mid portion and is connected into an integral body, a dwang is housed at the middle part of car door integral body, there are two crotches at the two ends of dwang, frame two ends in two crotch correspondences of dwang, respectively be welded with the dog hole of a circular arc, be used for fixing dwang, when dwang clockwise rotates, just break off relations, when dwang rotates counterclockwise, just bite hook, the combination that realizes car door and frame by these two actions with separate.Dwang is secured on the car door with five sleeve pipes, a sleeve pipe is respectively arranged on two car door steel-castings, they are directly to be welded on the corresponding position of car door steel-casting, three sleeve pipes are arranged on the car door mid portion, each sleeve pipe is being equipped with a flat spring with the contacted side of car door mid portion, each sleeve pipe all uses two " U " shape screw rods to pass the car door mid portion successively, sleeve pipe, at last at this end nut screwing clamping of sleeve pipe, have a hole at the middle part of dwang, on sleeve pipe, the position of corresponding dwang perforate also has onesize hole, in the hole, be inserted with stop pin, stop pin is to prevent when vehicle movement, the dwang autorotation, thus produce the phenomenon that breaks off relations.Bottom design at the car door mid portion has three semicircular bearing plates, and when car door closed, these three bearing plates were pressed on the interior thick-walled pipe of lower frame beam, play the effect of supporting car door; Shift out when opening at car door, bearing plate separates with thick-walled pipe, because bearing plate is designed to semicircle, so car door separates with the car frame, engages all to be easy to; The bearing plate that " L " shape is also respectively arranged in the position of two bearing housings of the corresponding transmission system of car door mid portion, its one side is welded on the car door mid portion, another side is that one section internal diameter is 20 millimeters a pipe, this section pipe packs on the self-regulation arm that is fixed under the bearing housing, also be to play the effect of supporting car door, " L " shape bearing plate all keeps in touch with the self-regulation arm in the process that closing of the door and car door shift out, shift out up to car door and just to separate with the self-regulation arm after putting in place, " L " shape bearing plate is welded on one side of car door a handle and the plug valve that oil cylinder is used also is installed.Each car door steel-casting all is integrated with oil cylinder, the tooth bar that the car door lifting is used, and a half slot is arranged in the upper end of tooth bar, be used for when closing of the door be welded on the compartment plate washer on a round steel of correspondence position combine, play the supplemental support car door.The side that the car door steel-casting has a tooth bar respectively is welded with two guide rod stators that have the hole at two ends up and down; To there be the part of connecting hole to be put into up and down between two guide rod stators at two connection bearing seat assemblies of gear both sides on the power transmission shaft, then two connection guide rods are passed their hole, they are connected together, like this when the car door steel-casting moves forward and backward, the connection guide rod drives whole power transmission shaft and moves forward and backward with car door, at the telescopic dust cover that connects the leather system that is equipped with on the guide rod; Car door steel-casting part topmost has screw thread, contact-segment at it and oil cylinder loam cake has a screw, oil connection passes this screw and communicates with oil cylinder, this oil connection also plays the effect of steady pin, prevent that the oil cylinder loam cake from moving, have a screw in the oil cylinder bottom, be used to install oil connection, have a hole in the outside of car door steel-casting, one end of oil pipe is connected with the oil connection of bottom by this hole, the other end is connected with the oil connection of oil cylinder loam cake, a plug valve also is housed on oil pipe is used to control flowing of hydraulic oil, when car door need descend, open plug valve, hydraulic oil is by the be depressed below of piston rod slide block of oil pipe, and when car door need rise, hydraulic oil was forced into go back to the top of piston rod slide block again by oil pipe.The upper cover design of oil cylinder becomes to be similar to the structure of heat exchanger, central authorities are pipes, pass piston rod in the pipe, then charge into hydraulic oil outside pipe, there is one section internal thread the lower end of oil cylinder loam cake, the external screw thread of it and car door steel-casting upper end is tightened the back and is formed an oil cylinder, upper face plate at the oil cylinder loam cake has a tank filler sleeve, is used to the hydraulic oil of annotating, and has a hole to communicate with oil cylinder at lower face plate, at any time in oil cylinder, replenish the hydraulic oil of seepage, so just guaranteed all to be full of at any time in the oil cylinder hydraulic oil.The car door steel-casting is designed to a right angle type in the place of carrying car door mid portion, the bottom carrying car door mid portion at right angle, straight flange has two rounds, wherein passing the bolt that has butterfly spring is connected with the car door mid portion, because butterfly spring is arranged on connecting bolt, sleeve pipe on the car door mid portion has flat spring, and they all can bear certain deformation, therefore between car door mid portion and car door steel-casting certain relative displacement can be arranged; Being welded with a baffle plate on the compartment separates place of loading and car door steel-casting, because the car door mid portion can have a certain amount of moving with respect to the car door steel-casting, so the car door mid portion can move when being subjected to the goods extruding laterally, so just can alleviate the infringement of goods to car door.The vertical tremor that produces when the following part of each car door steel-casting also alleviates vehicle in motion with two roller shock absorbers is to the infringement of car door; Alleviate two roller shock absorbers going up vibrations and be fixed on the side of car door steel-casting near the lower frame beam, the roller of roller shock absorber contacts with the bottom of lower frame beam; Two roller shock absorbers that alleviate vibrations down are separately fixed at the side of two car door steel-castings by frame, and the roller of block plate carrying roller shock absorber is respectively arranged in the lower end of two frames; The frame of car door both sides respectively is equipped with a ball shock absorber in upper and lower position and alleviates the impact that car door is subjected to left and right directions.The piston rod part of oil cylinder has a circular hole, pass a piston rod suspended axle in the hole, at the two ends of axle a ball bearing is housed respectively, and loading bearing is a chamber installation that is welded on the frame of the left and right sides, be called suspension basket, two tracks are arranged in case, and two bearings respectively are placed on the track, and bearing can move around in orbit; Piston rod near on the position have a hole, be called the perforation of piston rod guide peg, a bar is housed in the hole, be called the piston rod guide peg, piston rod can be free to slide on bar, its effect is that the seized piston bar does not allow it swing when car door rises or descend, and two guiding pole sockets of piston rod guide peg are separately fixed at the bottom of suspension basket front and back ends shrouding; Front and back ends at track respectively has a semicircle draw-in groove, when front bayonet slot is used for bearing and is moved out to the position that can open car door, block bearing and prevent that suspended axle from shaking when car door rises or descend, back draw-in groove is used for blocking bearing when closing of the door, to prevent that when the vehicle movement, bearing moves up and down; In the bottom of track and case, have screw on the front and back ends shrouding and be used for installing the dust cover of making by leather, come the guard box inner part, the telescopic dust cover of leather system is housed on the piston rod guide peg with this.Mechanical type moves overhead door and has also designed a cover manual driving system, it includes a power transmission shaft, on axle, be that symmetrical centre is equipped with two rigid bearing seat assemblies successively with the axle center, two Shifting bearing seat assemblies, two gears, in the both sides of each gear a connection bearing seat assembly is arranged respectively, handwheel of one of them terminal installation at power transmission shaft, also have two bearing housings, wherein each bearing housing holds a rigid bearing seat assembly, a Shifting bearing seat assembly, the Shifting bearing seat assembly is placed on the interior track of bearing housing, also has a front bayonet slot in each bearing housing, draw-in groove after one, two leader fixed, a fixed bearing block check lock lever is also respectively arranged at the bottom at each bearing housing, a self-regulation arm, each bearing housing is connected with base plate under being fixed on car body lower frame beam by four double-screw bolts of its upper end, in the both sides of described each gear two members are arranged respectively, these two members play the effect that transmission system and car door are coupled together, simultaneously guarantee that also the gear of transmission system is meshed with the tooth bar of car door, connecting elements is made up of connecting axle bearing and bearing, these two connecting axle bearings are shapes, structure is the parts of symmetry each other, what bearing adopted is taper roll bearing, therefore the rotation of power transmission shaft can not have influence on connection stability, it also can bear certain axial load simultaneously, the end thrust that the car door steel-casting that counteracting is attached thereto passes over, front end in the connecting axle bearing has a hole, be used for installing the connection guide rod, in connecting axle bearing bottom design a hole is arranged, parallelly in the hole pass a guide rod, be called connecting axle bearing bottom guide rod, the effect of this root guide rod is to guarantee that the rotation with respect to power transmission shaft can not take place in the process that moves forward and backward the connecting axle bearing, thereby guarantee to be fixed on connection guide rod on the car door steel-casting can scratching in the process that rises or descend to the connecting hole of connecting axle bearing, be with the compression spring at the guide rod rear portion, this spring plays the effect of buffering when vehicle operating, avoid power transmission shaft to be subjected to the impact of fore-and-aft direction, the guide rod of connecting axle bearing bottom is fixed on the guide rod seat, the guide rod seat then is fixed on the platform floor, and the telescopic dust cover of leather system is housed on the guide rod of connecting axle bearing bottom; Two Shifting bearing seats on the power transmission shaft are shapes, structure is the parts of symmetry each other, each bearing support all is equipped with a taper roll bearing, two Shifting bearing seats are placed in respectively in two bearing housings that have a track, the Shifting bearing seat is laid in orbit, bearing support has a chimb, block the side of track with it, to prevent that bearing support from moving vertically, rear and front end design in bearing housing has two semicircle draw-in grooves, wherein front bayonet slot is divided into two parts up and down, the bottom welding in orbit, top is welded on the preceding end-plate of bearing housing, and its effect is: when car door shifts out, block the Shifting bearing seat, with fixed bearing block fixed conveyor axle, prevent that power transmission shaft from moving forward and backward when rotating; Back draw-in groove is fixed by bolts on the base plate of bearing housing, all there is disk spring both sides up and down at back draw-in groove base plate, its effect is: when car door closes, block power transmission shaft, prevent that power transmission shaft from shaking along with the motion of vehicle, play the effect of fixed conveyor axle, because disk spring is housed, therefore the back draw-in groove also has the effect of buffering; A fixed bearing block also respectively is housed in two bearing housings, they also are shape, the structure parts of symmetry each other, each bearing support all is equipped with a taper roll bearing, a semicircular slotted hole is arranged in the bottom of bearing support, adorn a semicircular guide rod in the hole, below semicircle slotted hole, also have a screw; Under screw, along the circuit that moves of fixed bearing block, on the bearing housing base plate, have a slotted hole, the fixed bearing block check lock lever passes in the screw that this slotted hole is screwed into fixed bearing block bottom from the bottom of bearing housing, locks semicircle guide rod; One back-up ring is housed on the fixed bearing block check lock lever, and it is to prevent from the fixed bearing block check lock lever to come off because be given a shock; A leather dust cover is installed between slotted hole bottom bearing housing and the fixed bearing block check lock lever.The effect of fixed bearing block is: when power transmission shaft shifts out, fixed bearing block also slides along semicircle guide rod, after putting in place, rotational fixation bearing support check lock lever, allow it lock semicircle guide rod, fixed bearing block just is fixed on the semicircle guide rod like this, thereby whole power transmission shaft also just can't move forward and backward.In the bearing housing, on the base plate of draw-in groove front, back, also have a hole, be used to install the self-regulation arm; One end of self-regulation arm is a bearing support, a ball bearing is equipped with in the inside, the other end is that a finished diameter is 20 millimeters round steel, two holes are arranged between the two ends, be used to install two extension springs, the self-regulation arm be fixed on the base plate of bearing housing, an end of two extension springs is fixed on the bottom of bearing housing with suspension rod, the other end is fixed in the hole of self-regulation arm, and two extension springs are symmetric arrangement.The effect of self-regulation arm is: the round steel end of arm penetrates in the hole of " L " shape bearing plate that is welded on the car door mid portion, play the supporting car door, owing in the self-regulation arm bearing is arranged, can rotate arbitrarily, therefore car door is when shift-in shifts out, even certain skew is arranged, the joint that also can not influence self-regulation arm and " L " shape bearing plate with separate, and two extension springs can allow the self-regulation arm automatically reset again.Bearing housing is by its four double-screw bolts in the upper end, links together with the base plate of lower frame beam, has screw on two body side frames of each bearing housing, is used to install the dust cover of leatherwork, with the protection bearing.Consider that transmission system is that environment is relatively poor in compartment bottom work, all adopt the stainless steel water-sealed bearing for guaranteeing transmission system all bearings of effectively working.Because car door is on four rolling bearings that are suspended in two suspension baskets, power transmission shaft and parts on shaft also are to be carried by the Shifting bearing seat that includes rolling bearing, can move forward and backward flexibly in orbit, so the car door shift-in is when shifting out, reached laborsaving, purpose efficiently; When needing to descend after car door shifts out, the plug valve of opening installation on car door must not stir by manpower, and car door will steadily descend; When car door need rise, handwheel with the hand rotating drive shaft, the tooth bar that gear on the power transmission shaft will drive the car door steel-casting moves upward, car door will rise like this, because the component on the power transmission shaft have rolling bearing, therefore rotating drive shaft also is easier, so the process of whole switch car door is laborsaving, efficiently with respect to reach door contact interrupter with manpower upset car door; In order to guarantee good meshing condition and make gear play certain load-bearing effect that wheel and rack all adopts double circular arc tooth shape.Mechanical type moves the process that overhead door opens: transfer to the stop pin on the dwang earlier, the upset dwang breaks off relations by it, holding two handles that are contained on " L " shape bearing plate outwards pulls out car door, car door integral part and power transmission shaft will outwards move together, shift out put in place after, tighten the fixed bearing block check lock lever, open two plug valves that are contained on " L " shape bearing plate, car door will move down under action of gravity, so just finished opening procedure after; The process of closed door is: will rise with the handwheel car door on the hand rotating drive shaft, after putting in place, close two plug valves, unclamp the fixed bearing block check lock lever, allow it leave semicircle guide rod, promote car door and move inward, after putting in place, the upset dwang is bitten hook, inserts stop pin, has so just finished the pass closed procedure of car door.

The beneficial effects of the utility model are, become laborsaving, quick when the switch car door, can make car door can bear a certain amount of crimp simultaneously, prolong the application life of car door, owing to be pure mechanical device, pure manual operation, therefore, to move overhead door safe and reliable for this mechanical type.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is portable overhead door outside drawing.

Fig. 2 is the rear elevation of Fig. 1.

Fig. 3 is the front view of bearing housing.

Fig. 4 is the left view of Fig. 3.

Fig. 5 is the vertical view of Fig. 3.

Fig. 6 is the structural representation of power transmission shaft.

Fig. 7 is the structural scheme of mechanism of piston rod guide peg.

Fig. 8 is the structural representation of guiding pole socket.

Fig. 9 is the structural representation of stop pin.

Figure 10 is the structural representation of dwang.

Figure 11 is the left view of Figure 10.

Figure 12 is the right view of Figure 10.

Figure 13 is the fixed bearing block front view.

Figure 14 is the left view of Figure 13.

Figure 15 is a Shifting bearing holder structure schematic diagram.

Figure 16 is the suspension basket front view.

Figure 17 is the right view of Figure 16.

Figure 18 is the vertical view of Figure 16.

Figure 19 is a fixed bearing block check lock lever structural representation.

Figure 20 is the front view of piston rod.

Figure 21 is the vertical view of Figure 20.

Figure 22 is the front view of fixed bearing block guide rod.

Figure 23 is the left view of Figure 22.

Figure 24 is a piston rod suspended axle structural representation.

Figure 25 is the hydraulic circuit schematic diagram.

Figure 26 is a roller shock absorber structure schematic diagram.

Figure 27 is a ball shock absorber structure schematic diagram.

Figure 28 is a ball shock absorber lid schematic diagram.

Figure 29 is the sleeve pipe front view.

Figure 30 is the left view of Figure 29.

Figure 31 is the vertical view of Figure 29.

Figure 32 is the front view of car door steel-casting.

Figure 33 is the vertical view of Figure 32.

Figure 34 is the left view of Figure 32.

Figure 35 is the A-A sectional view of Figure 34.

Figure 36 is a connecting axle bearing front view.

Figure 37 is the left view of Figure 36.

Figure 38 is the vertical view of Figure 36.

Figure 39 connects guide rod stator front view.

The vertical view of Figure 40 Figure 39.

Figure 41 connects the guide rod schematic diagram.

Figure 42 is a connecting axle bearing bottom guide rod front view.

Figure 43 is the right view of Figure 42.

Figure 44 is the front view of oil cylinder loam cake.

Figure 45 is the left view of Figure 44.

Figure 46 is a self-regulation arm front view.

Figure 47 is the left view of Figure 46.

Figure 48 is a back draw-in groove front view.

Figure 49 is the left view of Figure 48.

Figure 50 is a piston rod slide block structure schematic diagram.

Figure 51 is the hanging rod structure schematic diagram.

Figure 52 is a car door mid portion front view.

Figure 53 is the left view of Figure 52.

Figure 54 is the enlarged drawing of car door mid portion joint.

Figure 55 is a lower frame beam front view.

Figure 56 is the left view of Figure 55.

Figure 57 is the vertical view of Figure 55.

Figure 58 is a power transmission shaft assembling front view.

Figure 59 is the vertical view of Figure 58.

Figure 60 is car door steel-casting and suspension basket assembling front front view.

Figure 61 is the right view of Figure 60.

Figure 62 is the vertical view of Figure 60.

Figure 63 is car door steel-casting and suspension basket assembling reverse side front view.

Figure 64 is the right view of Figure 63.

Figure 65 is that the B of Figure 63 is to view.

The specific embodiment

1, frame, 2, the ball shock absorber, 3, suspension basket, 4, the car door steel-casting, 5, last oil-out, 6, sebific duct, 7, sleeve pipe, 8, turning handle, 9, stop pin, 10, dwang, 11, sebific duct, 12, last oil-out, 13, the car door steel-casting, 14, suspension basket, 15, frame, 16, the ball shock absorber, 17, the roller shock absorber, 18, following oil-out, 19, the roller shock absorber, 20, sebific duct, 21, plug valve, 22, handle, 23, " L " shape bearing plate, 24, bearing housing, 25, the fixed bearing block check lock lever, 26, the lower frame beam, 27, semicircle bearing plate, 28, handle, 29, plug valve, 30, the fixed bearing block check lock lever, 31, bearing housing, 32; " L " the shape bearing plate; 33; power transmission shaft, 34; sebific duct, 35; roller shock absorber; 36, following oil-out, 37, the roller shock absorber, 38; " U " the shape screw rod, 39; car door mid portion; 40; baffle plate; 41; baffle plate, 42, front bayonet slot top, 43, the front bayonet slot bottom, 44, self-regulation arm fixing hole, 45, the dust cover screw, 46, dust cover hole, bottom, 47, leader fixed, 48, track, 49, last disk spring, 50, following disk spring, 51, back draw-in groove, 52, the stop pin jack, 53, the guiding pole socket, 54, draw-in groove behind the bearing, 55, the bearing front bayonet slot, 56, strengthen version, 57, the perforation of piston rod guide peg, 58, the oil cylinder loam cake, 59, piston rod, 60 flat springs, 61, support place of car door mid portion, 62, with car door mid portion connecting hole, 63, following oilhole, 64, following oilhole pipeline outlet, 65, upper oil hole, 66, the double circular arc tooth bar, 67, the fixed bar groove, 68, the lower frame beam, 69, dust cover, 70, dust cover, 71, the rigid bearing seat assembly, 72 rigid bearing seat assemblies, 73 fixed bearing block guide rods, 74, the fixed bearing block guide rod, 75, the Shifting bearing seat assembly, 76, the Shifting bearing seat assembly, 77, packing ring, 78, packing ring, 79, Novikov gears with double circular arc tooth profiles, 80, Novikov gears with double circular arc tooth profiles, 81, packing ring, 82, packing ring, 83, the connection bearing seat assembly, 84, the connection bearing seat assembly, 85, force mother, 86, handwheel, 87, force mother, 88, the fixed bearing block check lock lever, 89, the fixed bearing block check lock lever, 90, dust cover, 91, dust cover, 92, front bayonet slot, 93, the self-regulation arm, 94, suspension rod, 95, self-regulation arm hold-down nut, 96, extension spring, 98, suspended axle, 99, pin, 100, bearing, 101, bearing, 102, the piston rod slide block, 103, the piston rod guide peg, 104, bearing support bottom guide rod, 105, platform floor, 106, buffer spring, 107, the fixed bar groove, 108, fixed bar.

In Fig. 1, on the car body position shown in lower frame beam 26 is welded in the mode of quadrature, suspension basket 3,14 is welded on the frame 1,15, suspension basket 3,14 all links together by a piston rod and car door steel-casting 4,13, connected mode is, in the circular hole on the top of piston rod, pass a piston rod suspended axle, at the two ends of axle a bearing is installed respectively, these two bearings are placed on two interior tracks of suspension basket, like this, along with bearing moving around in orbit, whole car door also and then shift-in shift out; One end of sebific duct 6,34,11,20 is connected with the upper and lower oil connection of two built-in oil cylinders of car door steel-casting respectively, and the plug valve 21,29 that the other end is mounted on " L " shape bearing plate connects; Two car door steel-castings link together by bolt and car door mid portion 39, are with the butterfly spring that is cascaded with compound mode in connecting bolt; Five sleeve pipes 7 are installed in the car door middle part, wherein two directly are welded on two car door steel-castings, remaining three sleeve pipe all is equipped with a flat spring, they each all use two " U " shape screw rods to pass the car door mid portion successively, sleeve pipe, at last at this end nut screwing clamping of sleeve pipe, then dwang 10 is passed in turn five sleeve pipes, two crotches of burn-oning at the two ends of bar, the dog hole of two circular arcs of welding on the frame of crotch correspondence, in five sleeve pipes, be positioned at the sleeve pipe of central authorities and the position of the corresponding dwang of this sleeve pipe and all have a hole, in the hole, insert stop pin 9; Welding plate washer 40,41 in the position of corresponding two car door steel-castings separates the place and the car door steel-casting of freighting on the compartment; On the whole thick-walled pipe of three semicircle bearing plates (27) seat in lower frame beam 26 of car door by car door mid portion bottom; The situation that the center to center distance of two bearings case 24,31 is looked vehicle is difference to some extent, is approximately about 1 meter, and the two bearings case is connected with two base plates that are welded on lower frame beam bottom respectively by four double-screw bolts of its upper end; " L " shape bearing plate 23,32 there is one of pipe to be inserted in to be fixed on the round steel end of the self-regulation arm of two bearing housings bottoms, then the other end is welded on the car door mid portion, handle 22,28, plug valve 21,29 are installed thereon again; With the roller end of roller shock absorber 19,35 up, be fixed on the inboard of car door steel-casting, the technical requirements of installing is: the installation site should make the roller shock absorber be subjected to a certain amount of compression of lower frame beam, with the roller end of roller shock absorber 17,37 down, be fixed on the outside of two car door steel-castings, orientation in the frame bottom of the both sides of correspondence, weld a block plate in the roller lower end and carry roller, the technical requirements of welding is: the welding position of steel plate should make the roller shock absorber be subjected to a certain amount of compression; Respectively open a hole at the upper-lower position of two frames, the end that the ball shock absorber is had a lid outwardly, in four ball shock absorber load holes, in the inboard of frame the ball shock absorber is welded then, installation requirement is: should make the ball shock absorber be subjected to a certain amount of compression.

As Figure 58, shown in Figure 59, the dust cover 69 of packing into from the two ends of power transmission shaft 33,70, the rigid bearing seat assembly 71 of then packing into, 72, in the semicircle slotted hole of two fixed bearing block bottoms, penetrate fixed bearing block guide rod 73 then, 74, the Shifting bearing seat assembly 38 of packing into then, 32, dust cover 40,29, connection bearing seat assembly 75 again continues to pack into from the two ends of power transmission shaft after having adorned, 76, put into packing ring 77,78, reinstall Novikov gears with double circular arc tooth profiles 79,80, put into packing ring 81,82, the connection bearing seat assembly 83 of packing into again, 84, pack in the outer end of connection bearing seat assembly 84 and to force female 85, reinstall handwheel 86, pack in the outer end of connection bearing seat assembly 83 and to force female 87, then the power transmission shaft of loading onto each part from bearing housing 24, bearing housing is put at 31 top, with Shifting bearing seat assembly 75,76, be placed on two tracks 48, with fixed bearing block check lock lever 88,89 load onto dust cover 90,91, from the slotted hole of bearing housing bottom, penetrate bearing housing then, be screwed in the screw of fixed bearing block bottom after installing back-up ring on the bar and latch, then two fixed bearing block guide rods are fixed on leader fixed in two bearing housings, power transmission shaft is moved in orbit the position of closing of the door, draw-in groove 51 after installing two, load onto disk spring 49 respectively at the upper and lower side of back draw-in groove base plate during installation, 50, power transmission shaft is moved in orbit the position of car door opening, welding front bayonet slot 92 on the preceding end-plate of bearing housing and track respectively, the internal diameter of packing in the dead eye of self-regulation arm 93 is 20 millimeters a ball bearing, the suspension rod 94 of in dead eye, packing into then, to put on the circular hole of two suspension rods from two bearing housing base plates again, be fixed on the base plate of bearing housing with self-regulation arm hold-down nut 95, one end of extension spring 96 is fixed on the dog hole of self-regulation arm, the other end is fixed on the bottom of bearing housing, at last bearing housing loam cake and dust cover is fixed on the bearing housing.

As Figure 60, shown in 61, earlier track 48 is fixed in the suspension basket, the piston rod suspended axle 98 of in the circular hole on piston rod 59 tops, packing into, fixing with pin 99, be respectively charged into bearing 100 at the two ends of piston rod suspended axle then, 101, again piston rod is put into suspension basket 14 from the top of suspension basket, allow two bearings be pressed in respectively on two tracks, then pack into dust cover from the piston rod bottom, after oil cylinder loam cake 58 is packed sealing ring into, also pack into piston rod from underpart of the piston rod, after at last piston rod slide block 102 being loaded onto sealing ring, be tightened on the screw thread of piston-rod lower end, in piston rod slide block and piston rod are joined the hole of brill, insert pin 99, to load onto the piston rod of part then and put into its built-in oil cylinder from the top of car door steel-casting 13, the oil cylinder loam cake will be tightened on the screw thread of car door steel-casting upper end; Oil connection is screwed in the screw that cooperates processing on oil cylinder loam cake and the car door steel-casting load segment, the outer end of oil connection forms oil-out, one of sebific duct is terminated on the oil-out, the other end is connected on the plug valve 21, another oil connection is penetrated from car door steel-casting 13 bottoms, be screwed in the screw of oil cylinder bottom, penetrate with oil connection the preformed hole with pipe bottom outside the car door steel-casting and dock, the other end of this pipe forms down oil-out 18, one end of another root sebific duct is connected with following oil-out 18, and the other end is connected on the plug valve 21; The piston rod suspended axle is moved in orbit the position of closing of the door, respectively weld a semicircular back draw-in groove 54 on two tracks, a semicircular front bayonet slot 92 is respectively welded in the position that the piston rod suspended axle is moved in orbit car door opening on two tracks; Dust cover is loaded onto in bottom at two tracks; With the piston rod guide peg perforation that piston rod guide peg 103 has an end of cap to be passed in outwardly to open on the piston rod, load onto a guiding pole socket respectively at the two ends of piston rod guide peg, two guiding pole sockets are welded on the bottom of the front and back ends shrouding of suspension basket respectively.

Shown in Figure 63,64, three root plates by suspension basket 14 sides are welded on suspension basket on the frame 1, in the hole of connection bearing seat assembly 84 bottoms, respectively penetrate a connecting axle bearing bottom guide rod 104, respectively load onto a buffer spring 106 at two connecting axle bearing bottom guide rods by an end of platform floor 105 and again two connecting axle bearing bottom guide rods are fixed on nut on two guide rod seats, two guide rod seats are fixed on the platform floor in the position corresponding with platform floor; With Novikov gears with double circular arc tooth profiles 79, the upper end of two connection guide rods of 80 both sides is fixed on two connection guide rod stators 98 with nut, then the lower end of two connection guide rods is passed the connecting hole of two connection bearing seat assembly front ends from the top, also fix in the lower end of two connection guide rods then with other two connection guide rod stators, spurring turning cylinder subsequently moves, allow double circular arc tooth bar engagement on Novikov gears with double circular arc tooth profiles and the car door steel-casting 13, when arriving the optimum position of engagement, weld four connection guide rod stators on the corresponding position, two ends up and down at the car door steel-casting, when car door moved forward and backward, power transmission shaft also can be along with car door moves together like this; In the position of two frames over against two car door steel-casting sides, respectively open a hole in direction up and down, the ball end of two ball shock absorbers 16 is passed this hole towards the direction of car door steel-casting, mobile ball shock absorber is welded on the ball shock absorber on the frame when it is subjected to certain compression; Welding fixed bar 108 on the position of baffle plate 40 corresponding fixed bar grooves 107.

Claims (4)

1. a mechanical type moves overhead door, be formed by connecting by transmission system, car door, suspension basket three parts, it is characterized in that: suspension basket is connected by the piston rod of piston rod suspended axle with the built-in oil cylinder of car door, driving car door by the piston rod suspended axle moves forward and backward, transmission system is connected by link with car door, the tooth bar motion of the gear driven car door of transmission system drives the car door lifting by transmission system.

2. mechanical type according to claim 1 moves overhead door, it is characterized in that: two suspension baskets are arranged in the two ends on car door top, two suspension baskets are welded on two frames by its three root plates at side, two tracks are arranged in each suspension basket,, a piston rod suspended axle, in the piston rod suspended axle, be installed with a piston rod guide peg, a semicircular draw-in groove is arranged in the front and back end of every track, the piston rod upper end of the built-in oil cylinder of car door steel-casting packs into the middle part of piston rod suspended axle, at the two ends of piston rod suspended axle a rolling bearing is installed respectively, each bearing respectively is placed on the track.

3. mechanical type according to claim 1 moves overhead door, it is characterized in that: car door is divided into two parts and promptly is made up of the car door steel-casting of car door mid portion and its both sides, the car door steel-casting has built-in oil cylinder and outside oil pipe and valve, in the outside tooth bar is arranged, the car door steel-casting of car door mid portion and its both sides connects into an integral body by the bolt that has butterfly spring, at the car door middle part dwang is arranged, dwang is fixed on the car door with sleeve pipe, the sleeve pipe that wherein is fixed on the car door mid portion is having a flat spring with the contacted end of car door mid portion, a hole is arranged at the middle part of dwang, stop pin is arranged in the hole, respectively there is a crotch at two ends, hook dog hole corresponding on the frame of both sides by crotch, three semicircular bearing plates are arranged in the lower end of car door mid portion, when closing of the door, these three bearing plates are pressed on the thick-walled pipe of car body lower frame beam the inside, also have two " L " shape bearing plates on the car door mid portion, its a wherein end packs on two self-regulation arms that are fixed on two bearing housing bottoms.

4. mechanical type according to claim 1 moves overhead door, it is characterized in that: transmission system has a power transmission shaft, on axle, be that symmetrical centre is equipped with two rigid bearing seat assemblies successively with the axle center, two Shifting bearing seat assemblies, two gears, in the both sides of each gear a connection bearing seat assembly is arranged respectively, handwheel of one of them terminal installation at power transmission shaft, also have two bearing housings, wherein each bearing housing holds a rigid bearing seat assembly, a Shifting bearing seat assembly, the Shifting bearing seat assembly is placed on the interior track of bearing housing, also has a front bayonet slot in each bearing housing, draw-in groove after one, two leader fixed, a fixed bearing block check lock lever is also respectively arranged at the bottom at each bearing housing, a self-regulation arm, each bearing housing is connected with base plate under being fixed on car body lower frame beam by four double-screw bolts of its upper end.

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