CN204324751U - Hoisting crane and use the box-body truck of this hoisting crane - Google Patents
Hoisting crane and use the box-body truck of this hoisting crane Download PDFInfo
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- CN204324751U CN204324751U CN201420794433.4U CN201420794433U CN204324751U CN 204324751 U CN204324751 U CN 204324751U CN 201420794433 U CN201420794433 U CN 201420794433U CN 204324751 U CN204324751 U CN 204324751U
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Abstract
The utility model relates to hoisting crane and uses the box-body truck of this hoisting crane, wherein this crane girder is equipped with suspension bracket at left and right directions guiding movement, suspension bracket is provided with commutation fixed pulley, the left end of girder is fixedly connected with flexible drive parts, the flexible drive parts pile warp commutation top of fixed pulley and its right-hand member extend to the right-hand member of girder, flexible drive parts has suspender in the leftward position of commutation fixed pulley along the bearing of trend slidable fit of described flexible drive parts, and the right-hand member of girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.This hoisting crane is when hoisting heavy, pull flexible drive parts to tighten up by lifting motor namely by commutation fixed pulley, movable pulley to be mentioned, the height that movable pulley is promoted to and the fixed pulley that commutates is same can be made, can only by movable pulley or hook to the lower end of reel compared to existing technology, crane lifting space of the present utility model is larger, can realize ultra-clean sky.
Description
Technical field
The utility model relates to weight-lifting equipment, especially hoisting crane and use the box-body truck of this hoisting crane.
Background technology
Along with developing rapidly of transit industry, hoisting crane obtains increasing application.The Chinese utility model patent of existing hoisting crane if Authorization Notice No. is CN201801308 discloses a kind of electric block and uses the hoisting crane of this electric block, this hoisting crane comprises I-beam section girder, on I-beam section girder, guiding movement is equipped with running gear, two rollers that running gear is included in assembling that I-beam section lower horizontal board rolls and the reel be lifted on below roller, the below of reel is connected with suspension hook.Just can not rise in the position that this hoisting crane suspension hook when hoisting heavy rises to reel, the space being in sustained height like this with reel just can not be utilized again, particularly the volume of reel or the height that takies larger time, waste a lot of space.
Utility model content
The purpose of this utility model is the ultra-clean empty hoisting crane providing a kind of tool to have greater room for improvement; Meanwhile, the utility model additionally provides a kind of box-body truck using this hoisting crane.
Hoisting crane of the present utility model adopts following technical scheme: hoisting crane, comprise the girder that left and right extends, described girder is equipped with suspension bracket at left and right directions guiding movement, described suspension bracket is provided with commutation fixed pulley, the left end of described girder is fixedly connected with flexible drive parts, the top of described flexible drive parts pile warp commutation fixed pulley and its right-hand member extend to the right-hand member of girder, described flexible drive parts there is suspender in the leftward position of commutation fixed pulley along the bearing of trend slidable fit of described flexible drive parts, the right-hand member of described girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.
Described girder has length direction extends along left and right for coordinating with suspension bracket guiding movement and being in the guiding movement fitting surface below the commutation fixed pulley on suspension bracket, described guiding movement fitting surface and commutation fixed pulley mutually stagger at above-below direction and form the bit space that allows crossing guiding movement fitting surface under for the driving at flexible drive parts for the top of suspender in the below of commutation fixed pulley.
Described girder is the C-type steel that Open Side Down, described guiding movement fitting surface is the horizontal wall upper surface of the opening both sides of C-type steel, described suspension bracket is included in the stay bearing plate that fore-and-aft direction parallel interval is arranged, described suspension bracket to coordinate with the rolling of the horizontal wall upper surface of corresponding C-type steel opening both sides realize the guiding movement of suspension bracket on girder by being separately positioned on roller on two stay bearing plates, the two side walls of described C-type steel is used for carrying out spacing to suspension bracket at fore-and-aft direction, and the upper roof face of described C-type steel is for suspension bracket, block is spacing in an upward direction.
Box-body truck of the present utility model adopts following technical scheme: box-body truck, comprise envelope, hoisting crane is provided with in described envelope, described hoisting crane comprises the girder that left and right extends, described girder is fixedly connected on the top of envelope, described girder is equipped with suspension bracket at left and right directions guiding movement, described suspension bracket is provided with commutation fixed pulley, the left end of described girder is fixedly connected with flexible drive parts, the top of described flexible drive parts pile warp commutation fixed pulley and its right-hand member extend to the right-hand member of girder, described flexible drive parts there is suspender in the leftward position of commutation fixed pulley along its bearing of trend slidable fit, the right-hand member of described girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.
Described girder has length direction extends along left and right for coordinating with suspension bracket guiding movement and being in the guiding movement fitting surface below the commutation fixed pulley on suspension bracket, described guiding movement fitting surface and commutation fixed pulley mutually stagger at above-below direction and form the bit space that allows crossing guiding movement fitting surface under for the driving at flexible drive parts for the top of suspender in the below of commutation fixed pulley.
Described girder is the C-type steel that Open Side Down, described guiding movement fitting surface is the horizontal wall upper surface of the opening both sides of C-type steel, described suspension bracket is included in the stay bearing plate that fore-and-aft direction parallel interval is arranged, described suspension bracket to coordinate with the rolling of the horizontal wall upper surface of corresponding C-type steel opening both sides realize the guiding movement of suspension bracket on girder by being separately positioned on roller on two stay bearing plates, the two side walls of described C-type steel is used for carrying out spacing to suspension bracket at fore-and-aft direction, and the upper roof face of described C-type steel is for suspension bracket, block is spacing in an upward direction.
Extend to the track of envelope rear and front end before and after two ends also respectively at girder in described envelope are provided with, the two ends of described girder are respectively equipped with roller, described girder is also provided with and makes girder in the longitudinal direction along the front and back drive motor of guiding movement before and after track.
The turning track that described track comprises the trapped orbit being positioned at envelope and the close envelope afterbody one end being hinged on trapped orbit, overturns for pivot center with the straight line extended at left and right directions, described turning track is hinged with one end and the relatively-stationary expansion link of envelope, described expansion link for driving turning orbit flip making turning track have turning to level attitude, stretch out the outer and deployed condition connected with trapped orbit level of envelope and turn to vertical position and be retracted to retracted state in envelope.
Described envelope is provided with block locating dowel pin, described turning track is connected with at the limited support bar of expanded position for coordinating with block locating dowel pin locking, and described limited support bar is provided with for block locating dowel pin buckle and the positioning groove that coordinates of block.
Described girder is being hinged with the folding arm for carrying cable launching at fore-and-aft direction and fold on the side inside envelope, first near girder is connected with extension spring between folding arm and girder, and often the bending part of adjacent two folding arms is connected with extension spring.
Crane girder of the present utility model is equipped with suspension bracket at left and right directions guiding movement, suspension bracket is provided with commutation fixed pulley, the left end of girder is fixedly connected with flexible drive parts, the flexible drive parts pile warp commutation top of fixed pulley and its right-hand member extend to the right-hand member of girder, flexible drive parts has suspender in the leftward position of commutation fixed pulley along the bearing of trend slidable fit of described flexible drive parts, and the right-hand member of girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.This hoisting crane is when hoisting heavy, pull flexible drive parts to tighten up by lifting motor namely by commutation fixed pulley, movable pulley to be mentioned, thus realize the object promoting noon, simultaneously, this structure can make the height that movable pulley is promoted to and the fixed pulley that commutates is same, can only by movable pulley or hook to the lower end of reel compared to existing technology, crane lifting space of the present utility model is larger, can realize ultra-clean sky.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of box-body truck embodiment of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the schematic perspective view of turning track retracted state;
Fig. 5 is the structural representation of Fig. 1 middle girder;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is for driving the drive mechanism schematic diagram of suspension bracket movement in girder;
Fig. 8 is for driving the drive mechanism schematic diagram of hook in girder;
Fig. 9 is the structural representation in A-A cross section in Fig. 6;
Figure 10 is the structural representation of suspension bracket in Fig. 5;
Figure 11 is the back view of Figure 10;
Figure 12 is the upward view of Figure 11;
Figure 13 is the spatial structure exploded drawings of girder.
Detailed description of the invention
The embodiment of a kind of box-body truck of the present utility model: as shown in figures 1-13, comprise envelope 1, hoisting crane 10 is provided with in envelope 1, hoisting crane 10 comprises the column 14 be vertically supported in envelope and the trapped orbit 11 being erected at column upper end, trapped orbit 11 extends along the longitudinal direction and extends to the rear and front end of envelope respectively, trapped orbit is equipped with girder 110 at fore-and-aft direction guiding movement, girder be provided with can on girder the suspension bracket 115 of sway, suspension bracket is connected with suspender by flexible drive parts 13, suspender comprises the movable pulley 11540 be slidedly assemblied on flexible drive parts and the suspension hook 130 be connected on movable pulley, certainly, in other embodiments, suspender can for other structures be as comprised suspension hook and suspension ring, suspension ring are slidedly assemblied on flexible drive parts, suspension hook is hung in below suspension ring, flexible drive parts is ring chain or is steel rope, suspension hook 130 can move up and down with lifting heavy under the driving of flexible drive parts, if can only be moved to the afterbody of envelope backward farthest by girder during this crane lifting weight, so by also need during weight entrucking artificial weight is moved to the afterbody of envelope time just transport by crane lifting, use like this or inconvenience, therefore, the trapped orbit rear end of the hoisting crane of the present embodiment is also hinged with turning track 12, the upset axis of turning track extends in left-right direction, turning track 12 is also hinged with the expansion link 121 carrying out flip-flop movement for promoting it, the fixed end of expansion link 121 to be connected on envelope or can on column, expansion link can be hydraulically extensible bar or air pressure telescopic link etc., expansion link extend time by turning orbit rotation to deployed condition, namely in the level attitude that trapped orbit level connects, when retracting, turning track is withdrawn into retracted state, namely be withdrawn into vertical position and be positioned at the inside of envelope, the hermetically closing of envelope rear cargo door can not be affected, turning track upwards turns to the position connected with trapped orbit level when deployed condition, now, turning track is connected on the rear end of trapped orbit mutually and stretches out outside envelope, girder can along turning orbiting motion to the rear end of envelope outside, like this when using such box-body truck to convey goods, only weight need be moved to the rear of boxcar, use more convenient, turning track is also hinged with the limited support bar 122 for supporting when it turns to expansion station, one end away from articulated position of limited support bar 122 is provided with positioning groove 1211, column or the sidewall of close envelope afterbody are provided with block locating dowel pin 1220, limited support bar 122 with turning orbit rotation and turning track just turn to launch station time, block locating dowel pin 1220 just slips in positioning groove 1221 and the upside cell wall being stuck in positioning groove prevents limited support bar from moving, turning track is supported, the load of expansion link can be reduced by the support of the turning track of limited support pole pair, certain protective effect is had to expansion link, in addition, one end away from envelope of turning track is also provided with the block 123 of upper downward-extension, block 123 is for spacing to girder, block girder skids off from the rear end of turning track.
The girder of hoisting crane needs feeder cable and slides with it when movable, in order to support and the slip of support cable, the top of envelope is provided with the bracing wire that two ends are connected to envelope rear and front end, cable to be connected in bracing wire by suspension ring and with the movable of girder slide anteroposterior, rear end due to the hoisting crane trapped orbit of the present embodiment is also connected with for making girder move to turning track outside envelope, the cable of sufficient length is had to adapt to the motion of girder when moving to envelope and being outer in order to make girder, girder is provided with folding arm 113 towards a side of envelope front end, folding arm 113 to be hinged on girder and it is connected with cable by suspension ring, when girder moves to outside envelope, folding arm can be pulled open the movement meeting girder by cable, certainly, in order to avoid folding arm when girder moves in envelope can not be opened, and be connected with retracing spring 1130 between the support arm of main beam pivot and girder, also retracing spring is connected with between two often adjacent support arms, like this under the pulling force of spring, owing to there being enough reserve lengths of cable line when girder moves in envelope, folding arm can not be opened, only have when girder move to envelope outer and need the cable be connected on folding arm time, cable can be tightened and be pulled open by folding arm.
The girder of the present embodiment mainly comprises the roof beam structure 1101 that left and right extends and the beam head 1102 that the front and back being connected to roof beam structure two ends extends, as shown in figure 13, roof beam structure 1101 is C-type steel, Open Side Down, beam head is square steel, the two ends of roof beam structure be respectively equipped with for the upper surface of beam head and medial surface right-angle notch in mating connection, on two beam heads with upper surface and medial surface are respectively equipped with for girder before and after the connecting panel 1103 that coordinates of the lateral surface of right-angle notch of both sides, the front-rear side walls of connecting panel 1103 and girder is respectively equipped with corresponding bolt connecting hole, connected by the bolt be installed in bolt connecting hole between girder and beam head, the lower surface of beam head is provided with the roller 11021 for coordinating with trapped orbit and turning non-orbiting scroll, beam head is also provided with the stable steering wheel 11022 that pivot center extends at above-below direction in the inner side of roller 11021, girder is moved forward and backward in orbit by the roller that the beam head at its two ends is arranged.
The structure of the girder of the present embodiment as is shown in figures 5-12, mainly comprise two large divisions: automatically controlled and running part and in the lateral direction guiding movement are assemblied in the suspension bracket 115 of C-type steel inside, wherein the structure of suspension bracket 115 as shown in figs. 10-12, comprise moving carriage, this moving carriage is made up of with the connecting panel being connected to two stay bearing plate two ends the stay bearing plate 1152 arranged in fore-and-aft direction parallel interval, two stay bearing plates are all parallel with the two side of C-type steel, the outer lower portion of two stay bearing plates 1152 is respectively equipped with the suspension bracket roller 1153 be arranged side by side at left and right directions, suspension bracket roller 1153 rolls for the wall of the lower ending opening both sides with C-type steel and coordinates, namely this two side walls is the guiding movement fitting surface for coordinating with roller, guiding fixed pulley and commutation fixed pulley 1154 is equipped with from left to right successively by fixed rotating shaft between two stay bearing plates, commutation fixed pulley is positioned at the right side of guiding fixed pulley, two connecting panels at two ends, moving carriage left and right are also rotatably equipped with respectively the track adjusting wheel 1151 that pivot center extends at above-below direction, the wheel face of track adjusting wheel 1151 is used for rolling with the two side walls of C-type steel coordinating, the leading screw and nut mechanism that left and right extends is provided with in the middle part of the lateral surface of the stay bearing plate on front side of being positioned in two stay bearing plates, this leading screw and nut mechanism is included in the nut 1158 that left and right directions is fixed and the screw mandrel 11581 be threaded with nut 1158, the stay bearing plate being positioned at rear side in two stay bearing plates is provided with limit switch 1157, two stay bearing plates are also respectively equipped with limit spring 11571, limit spring 11571 to be installed in set screw 11572 and to regulate the pre compressed magnitude of limit spring by screwing set screw 11572, the top, lower end of limit spring is pressed with two ends and is through catch in two set screw respectively, catch top is pressed in one end and is connected to reed on limit switch, in its natural state, the elastic force of spring is that the switch contact of limit switch is depressed by reed, the right-hand member of this stay bearing plate is provided with two slip carbon brush 1156 be arranged in parallel at above-below direction, the sidewall of C-type steel is provided with for conducting electricity the conduction slip 11010 of bearing fit with slip carbon brush corresponding to the position of slip carbon brush 1156, slip carbon brush 1156 is transferred on the hinge of downward-extension, the left end of slip carbon brush 1156 is connected to two extension springs 11561, two extension springs are be supplied to the pulling force of slip carbon brush to left back can fit tightly to the elastic force of right front the stability ensureing to conduct electricity on the conduction slip 11010 of C-type steel sidewall to the right-hand member of slip carbon brush, slip carbon brush coordinates with conduction slip sliding conduction and is supplied to limit switch working current, automatically controlled and running part mainly comprises the lifting motor 111 being separately positioned on both sides before and after girder, left and right drive motor 116, front and back drive motor 112 and electric-controlled box 114, wherein, lifting motor is arranged on one end of girder and its output shaft extends through the both sides, front and back of roof beam structure along the longitudinal direction, one end of flexible drive parts 13 is connected on output shaft, the other end is fixedly connected on the other end of the girder relative with lifting motor, the middle part of flexible drive parts is walked around respectively and has movable pulley 11540 at guiding fixed pulley and the position support commutated between fixed pulley above the guiding fixed pulley suspension bracket and commutation fixed pulley, being strained by lifting motor like this or loosening flexible drive parts to make the movable pulley between guiding fixed pulley and commutation fixed pulley rise or decline, realization is to the lifting of weight or put down, when namely allow from the open lower side of C-type steel under the drive of weight at flexible drive parts in bit space to through enter girder inner and continue upward movement time, the top of movable pulley can be pushed up the catch between pressure two set screw 11572 and make its upward movement, and catch upward movement can make reed upspring and depart from the switch contact of limit switch, now limit switch work makes lifting motor promote driving, avoid movable pulley upward movement and push up bad girder or lifting motor is burnt out always under the driving of lifting motor, girder is being provided with for keeping in during heavy lift with lifting motor the same side, the reel 1151 of rolling flexible drive parts, the bottom centre position of reel 1151 is provided with tapered protrusion, inventory rolling when this tapered protrusion can make flexible drive parts in rolling to reel, can not be stuck because flexible drive parts is arranged in a jumble, alleviate the maintenance load of workman, be convenient to realize Automatic continuous work, left and right drive motor is mainly used in the sway driving suspension bracket on girder by driving chain 1160, left and right drive motor is positioned at one end of girder and its output shaft extends along the longitudinal direction and gos deep into the inside of C-type steel, the end that left and right drive motor is positioned at C-type steel is equipped with the first sprocket wheel 1110, the other end relative with left and right drive motor of C-type steel is provided with the second sprocket wheel 1111 that axis extends along the longitudinal direction, the travelling nut that the left end of driving chain is connected to suspension bracket upper screw rod nut body walks around the second sprocket wheel 1111 and the first sprocket wheel 1110 and its right-hand member is connected to the right-hand member of suspension bracket successively, suspension bracket sway can be driven by driving chain like this by the rotating of left and right drive motor, in addition, by regulate screw mandrel 11581 enable nut 1158 to the left or to the right movement regulate the degree of tightness of driving chain, to meet the transmission effect that driving chain reaches optimum, front and back drive motor 112 is mainly used in driving girder to move at fore-and-aft direction, wherein, before and after the output shaft of drive motor extend in left-right direction and respectively rotary motion to be passed on the roller on girder two end carriage head and order about girder and move forward and backward.
In the present embodiment, guiding movement fitting surface and commutation fixed pulley mutually stagger at above-below direction and form the bit space that allows crossing guiding movement fitting surface under for the driving at flexible drive parts for the top of suspender in the below of commutation fixed pulley, such movable pulley can rise to more than the guiding movement fitting surface of girder under the effect of flexible drive parts, make the room for promotion of movable pulley larger, realize ultra-clean sky, in other embodiments, guiding movement fitting surface can be corresponding downwards and do not possess the described bit space that allows with commutation fixed pulley, the present embodiment is only to provide a kind of preferred version.
In the present embodiment, suspension bracket is also provided with guiding fixed pulley except being provided with commutation fixed pulley, and movable pulley is located between two fixed pulleys, in other embodiments, can not arrange guiding fixed pulley, or can arrange multiple guiding fixed pulley, the fixed pulley that only need commutate is positioned at the rightmost side.
In the present embodiment, girder is the C-type steel that Open Side Down, guiding movement fitting surface has two and is respectively the horizontal wall upper surface of the opening both sides of C-type steel, commutation fixed pulley corresponds to the lower ending opening of C-type steel at above-below direction, movable pulley can from the lower ending opening of C-type steel by the inside promoted into C-type steel, compare like this and adopt I-beam section or square steel to be the room for promotion that girder further increases movable pulley, the i.e. room for promotion of weight, certainly, in other embodiments, girder can arrange by two horizontal sides the angle steel be fixed together in opposite directions and form, or guiding movement fitting surface can be one, namely suspension bracket can arrange guide runner at side, girder also arranges directive slide track accordingly at side, commutation fixed pulley overhangs in the side of girder, now, guiding movement between guide runner and directive slide track coordinates and guiding movement fitting surface and suspender also stagger at above-below direction.
In the present embodiment, the two ends of girder are provided with the track that front and back extend to envelope rear and front end, girder in the assembling of fore-and-aft direction guiding movement in orbit, in other embodiments, can not track be set, girder can be motionless, fixing, and box-body truck of the present utility model does not get rid of that special lifting operating mode not needing girder to move forward and backward.
In the present embodiment, track comprises the trapped orbit and turning track that are positioned at envelope, and in other embodiments, can not arrange turning track, or trapped orbit directly extends to the outside of envelope, the present embodiment is only to provide a kind of preferred version.
In the present embodiment, in the present embodiment, turning track is supported turning track by the cooperation of block locating dowel pin and limited support bar when deployed condition, in other embodiments, limited support bar or block locating dowel pin can not be set and directly by expansion link, turning track be supported, or adopting other supporting constructions.
In the present embodiment, girder being also provided with for supporting the folding arm with support cable, in other embodiments, folding arm and direct pendant cables can not being set, in the present embodiment, being only to provide a kind of preferred version.
Hoisting crane is provided with in box-body truck of the present utility model, and this hoisting crane is by the fit structure lifting heavy of commutate fixed pulley and movable pulley, movable pulley can be promoted to and commutate fixed pulley equally even a little more than the height of commutation fixed pulley, room for promotion is larger, can make full use of the space of envelope, realize ultra-clean sky, the crane structure simultaneously in this Van type Motor Truck is simple, easy to use, for materials handler provides great convenience.
The embodiment of a kind of hoisting crane of the present utility model: as shown in figures 5-13, its concrete structure is identical with the crane structure in above-mentioned box-body truck embodiment, repeats no more herein.
Claims (10)
1. hoisting crane, comprise the girder that left and right extends, it is characterized in that, described girder is equipped with suspension bracket at left and right directions guiding movement, described suspension bracket is provided with commutation fixed pulley, the left end of described girder is fixedly connected with flexible drive parts, the top of described flexible drive parts pile warp commutation fixed pulley and its right-hand member extend to the right-hand member of girder, described flexible drive parts there is suspender in the leftward position of commutation fixed pulley along the bearing of trend slidable fit of described flexible drive parts, the right-hand member of described girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.
2. hoisting crane according to claim 1, it is characterized in that, described girder has length direction extends along left and right for coordinating with suspension bracket guiding movement and being in the guiding movement fitting surface below the commutation fixed pulley on suspension bracket, described guiding movement fitting surface and commutation fixed pulley mutually stagger at above-below direction and form the bit space that allows crossing guiding movement fitting surface under for the driving at flexible drive parts for the top of suspender in the below of commutation fixed pulley.
3. hoisting crane according to claim 2, it is characterized in that, described girder is the C-type steel that Open Side Down, described guiding movement fitting surface is the horizontal wall upper surface of the opening both sides of C-type steel, described suspension bracket is included in the stay bearing plate that fore-and-aft direction parallel interval is arranged, described suspension bracket to coordinate with the rolling of the horizontal wall upper surface of corresponding C-type steel opening both sides realize the guiding movement of suspension bracket on girder by being separately positioned on roller on two stay bearing plates, the two side walls of described C-type steel is used for carrying out spacing to suspension bracket at fore-and-aft direction, the upper roof face of described C-type steel is for suspension bracket, block is spacing in an upward direction.
4. box-body truck, it is characterized in that, comprise envelope, hoisting crane is provided with in described envelope, described hoisting crane comprises the girder that left and right extends, described girder is fixedly connected on the top of envelope, described girder is equipped with suspension bracket at left and right directions guiding movement, described suspension bracket is provided with commutation fixed pulley, the left end of described girder is fixedly connected with flexible drive parts, the top of described flexible drive parts pile warp commutation fixed pulley and its right-hand member extend to the right-hand member of girder, described flexible drive parts there is suspender in the leftward position of commutation fixed pulley along its bearing of trend slidable fit, the right-hand member of described girder is provided with for tightening up or loosening flexible drive parts to promote or to put down the lifting motor of suspender.
5. box-body truck according to claim 4, it is characterized in that, described girder has length direction extends along left and right for coordinating with suspension bracket guiding movement and being in the guiding movement fitting surface below the commutation fixed pulley on suspension bracket, described guiding movement fitting surface and commutation fixed pulley mutually stagger at above-below direction and form the bit space that allows crossing guiding movement fitting surface under for the driving at flexible drive parts for the top of suspender in the below of commutation fixed pulley.
6. box-body truck according to claim 5, it is characterized in that, described girder is the C-type steel that Open Side Down, described guiding movement fitting surface is the horizontal wall upper surface of the opening both sides of C-type steel, described suspension bracket is included in the stay bearing plate that fore-and-aft direction parallel interval is arranged, described suspension bracket to coordinate with the rolling of the horizontal wall upper surface of corresponding C-type steel opening both sides realize the guiding movement of suspension bracket on girder by being separately positioned on roller on two stay bearing plates, the two side walls of described C-type steel is used for carrying out spacing to suspension bracket at fore-and-aft direction, the upper roof face of described C-type steel is for suspension bracket, block is spacing in an upward direction.
7. box-body truck according to claim 4, it is characterized in that, the track of envelope rear and front end is extended to before and after two ends also respectively at girder in described envelope are provided with, the two ends of described girder are respectively equipped with roller, described girder is also provided with and makes girder in the longitudinal direction along the front and back drive motor of guiding movement before and after track.
8. box-body truck according to claim 7, it is characterized in that, described track comprises the trapped orbit being positioned at envelope and the close envelope afterbody one end being hinged on trapped orbit, with the turning track that the straight line extended at left and right directions overturns for pivot center, described turning track is hinged with one end and the relatively-stationary expansion link of envelope, described expansion link is turning to level attitude for driving turning orbit flip to make turning track have, stretch out the outer and deployed condition connected with trapped orbit level of envelope and turn to vertical position and be retracted to retracted state in envelope.
9. box-body truck according to claim 8, it is characterized in that, described envelope is provided with block locating dowel pin, described turning track is connected with at the limited support bar of expanded position for coordinating with block locating dowel pin locking, described limited support bar is provided with for block locating dowel pin buckle and the positioning groove that coordinates of block.
10. the box-body truck according to claim 7 or 8 or 9, it is characterized in that, described girder is being hinged with the folding arm for carrying cable launching at fore-and-aft direction and fold on the side inside envelope, first near girder is connected with extension spring between folding arm and girder, and often the bending part of adjacent two folding arms is connected with extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794433.4U CN204324751U (en) | 2014-12-16 | 2014-12-16 | Hoisting crane and use the box-body truck of this hoisting crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794433.4U CN204324751U (en) | 2014-12-16 | 2014-12-16 | Hoisting crane and use the box-body truck of this hoisting crane |
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| CN204324751U true CN204324751U (en) | 2015-05-13 |
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| CN201420794433.4U Withdrawn - After Issue CN204324751U (en) | 2014-12-16 | 2014-12-16 | Hoisting crane and use the box-body truck of this hoisting crane |
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| CN109455131A (en) * | 2018-12-20 | 2019-03-12 | 周义浩 | Upper rail can folding-jib moveable vertical hoisting mechanism |
| CN113684731A (en) * | 2021-08-18 | 2021-11-23 | 中国铁建高新装备股份有限公司 | Railway switch laying and replacing operation vehicle |
| CN113684730A (en) * | 2021-08-18 | 2021-11-23 | 中国铁建高新装备股份有限公司 | Railway switch laying and replacing operation vehicle |
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2014
- 2014-12-16 CN CN201420794433.4U patent/CN204324751U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495639A (en) * | 2014-12-16 | 2015-04-08 | 王历鑫 | Crane and transport wagon using same |
| CN105109395A (en) * | 2015-09-15 | 2015-12-02 | 王历鑫 | Main beam rail and van type truck with same |
| CN105667371A (en) * | 2016-04-11 | 2016-06-15 | 葛强林 | Material sliding, loading and unloading rod of military transport vehicle |
| CN109455131A (en) * | 2018-12-20 | 2019-03-12 | 周义浩 | Upper rail can folding-jib moveable vertical hoisting mechanism |
| CN109455131B (en) * | 2018-12-20 | 2024-04-16 | 周义浩 | Movable vertical hoisting mechanism with upper guide rail capable of being folded into arms |
| CN113684731A (en) * | 2021-08-18 | 2021-11-23 | 中国铁建高新装备股份有限公司 | Railway switch laying and replacing operation vehicle |
| CN113684730A (en) * | 2021-08-18 | 2021-11-23 | 中国铁建高新装备股份有限公司 | Railway switch laying and replacing operation vehicle |
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