CN201357780Y

CN201357780Y - Automatic open-close locking mechanism of rear door of dumper carriage

Info

Publication number: CN201357780Y
Application number: CNU2009200078458U
Authority: CN
Inventors: 张臻
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-27
Filing date: 2009-02-27
Publication date: 2009-12-09
Anticipated expiration: 2019-02-27

Abstract

The utility model belongs to vehicle transport machinery, in particular to an automatic open-close locking mechanism of a rear door of a dumper carriage, which comprises a carriage rear door, a frame, a cross beam of the frame, a secondary frame and a flip shaft. The automatic open-close locking mechanism is characterized in that automatic open-close locking mechanisms corresponding to a position of the bottom surface of the carriage rear door are symmetrically arranged at two ends of the cross beam in the middle of the frame, and each automatic open-close locking mechanism consists of a pull arm, a pull arm slide groove, a slide groove wheel, a I# link, a II# link, a sliding wheel, a supporting plate, a spring device, a pull arm suspension, a link regulating frame, a III# link, an interlocked rod body, a IV# link, a regulator, a pull plate device, a V# link and a hook device. The automatic open-close locking mechanism has the advantages of reasonable design, compact structure, stable and reliable operation, safety operation and convenient use and facilitates automatic opening and closing of the carriage rear door and the like.

Description

Dumping car wagon backdoor automatic switch catch gear

Technical field

The utility model belongs to vehicular transport machinery, particularly a kind of dumping car wagon backdoor automatic switch catch gear.

Background technology

As everyone knows, in the hauling operation of mine, coalfield, building engineering and building site etc., be extensive use of dumping truck, this is because dumping truck need not to join with the carman, and the conveying efficiency height.When loading and unloading, realize the automatic open and close of wagon backdoor in order to make dumping car, the automatic open and close mechanism that is taken the wagon backdoor formed by rigidity connecting rod, L type latch hook and lock is installed at the wagon backdoor place, one end of rigidity connecting rod is articulated on the subframe, and the other end is articulated in L type latch hook; Lock is erected on the portion of wagon backdoor, when the back door is closed lock take can with L type latch hook interlocking, when open at the back door, lock and take and can separate with L type latch hook.Take and constitute four-bar linkage structure by subframe, rigidity connecting rod, L type latch hook, lock like this; When dumping car during by hydraulic actuating cylinder jack-up railway carriage hypsokinesis discharging power transmit to the rigidity connecting rod from subframe, and be delivered to L type latch hook, and impel L type latch hook and lock to take to be separated, thereby wagon backdoor is opened; After dump truck discharge finished, when getting back to horizontality again, lock was taken sealed with L type latch hook again, and wagon backdoor is closed.It has following shortcoming and defect part:

1, because project organization is very unreasonable, and when fortune was adorned block building stones, the stone that tends to be loaded into rushed open wagon backdoor, make troubles to loading and unloading operation, even entrucking again; Sometimes when filling material when travelling on the way,, be directed at the wagon backdoor shake and open, haul is trickled down on the road surface in case meet the uneven or porpoising a little for some reason in road, annoying really; Also have when the tiny material of fortune, because wagon backdoor can not be locked and be closed tight, these tiny material will be left out by mistake on the road surface from the wagon backdoor slit, have not only caused dust to fly upward but also contaminated environment.

2, sometimes when discharging, expand very tightly because haul is squeezed wagon backdoor, cause latch hook not opened.

Summary of the invention

The utility model is intended to the shortcoming and defect part that exists in above-mentioned technology, and provide not only reasonable in design, compact conformation, the automatic open and close of body door both be convenient to, working stability, reliable again, and have safety of operation, use a kind of very easily dumping car wagon backdoor automatic switch catch gear.

The purpose of this utility model is to adopt following technical scheme to realize: described dumping car wagon backdoor automatic switch catch gear, comprise wagon backdoor, vehicle frame, the crossbeam of vehicle frame, subframe, trip shaft, it is characterized in that: corresponding with the wagon backdoor basal surface position, at the crossbeam two ends of vehicle frame middle part symmetry installing automatic switch catch gear, described each automatic switch catch gear is by torque arm, the torque arm chute, the chute wheel, the I# connecting rod, the II# connecting rod, sliding wheel, supporting plate, spring installation, the torque arm suspension bracket, lever regulated frame, the III# connecting rod, the lock connecting rod body, the IV# connecting rod, regulating control, plate pulling device, V# connecting rod and gib head device are formed, connect the torque arm chute in the crossbeam bottom surface, in the torque arm chute, adorn torque arm, an end that connects chute wheel and I# connecting rod on one end of torque arm with rotational symmetry, the other end of I# connecting rod flexibly connects an end of sliding wheel and II# connecting rod with axle, the other end of II# connecting rod is connected on the vehicle frame side, corresponding with the sliding distance of chute wheel in the torque arm chute, connect the supporting plate that moves back and forth for sliding wheel on the subframe side below the torque arm chute; Install spring installation on the stage casing of torque arm, the other end of torque arm passes the torque arm suspension bracket with in the end that is threaded in lever regulated frame, the thread rod Duan Duan of III# connecting rod is with in the other end that is threaded in lever regulated frame, one end of the other end of III# connecting rod and IV# connecting rod is hinged, it is hinged that the other end of IV# connecting rod passes an end of locking connecting rod body, plate pulling device and V# connecting rod, and the other end of V# connecting rod is hinged on the gib head device with hinge.

Described torque arm chute is square, and the end that torque arm is stretched out is uncovered, and the other end is for sealing, and is corresponding with the sliding distance of I# connecting rod, has the sliding ditch that slidably reciprocates for the I# connecting rod in torque arm chute bottom surface.

Described spring installation is made up of a spring plank, spring and coupling link, the top of the torque arm section between torque arm chute and torque arm suspension bracket is provided with the coupling link that raises up, one end of spring is connected on the coupling link, prop up a spring plank near connecting on the crossbeam of the spring other end, and on a spring plank, connecting the spring other end.

Described torque arm suspension bracket is made up of support body, little axle and pulley, connects an end of the support body that is parallel to each other on the crossbeam bottom surface, between the other end of two parallel support bodys little axle is housed, and adorns the pulley that can do relative motion with the torque arm bottom surface at little axle sleeve.

Described lever regulated frame, the one end is processed with right internal thread hole, and the other end is processed with left internal thread hole; On the thread rod section of the IV# connecting rod between IV# connecting rod and the lever regulated frame, be set with the nuts and washers of locking.

Described plate pulling device is made up of arm-tie body, rotating shaft and the runner of band connection leg, corresponding with position, the shape and size of IV# connecting rod, the arm-tie body of band connection leg is connected on the vehicle frame side, symmetry installing rotating shaft on the relative two sides, bottom in the arm-tie body, all suit can be made the runner of relative motion with IV# connecting rod bottom surface in two rotating shafts.

Described lock connecting rod body is made up of lock body and lock screw, has the hole that the IV# connecting rod is passed freely through in lock body, in lock body bottom, be equipped with can fastening IV# connecting rod lock screw.

Described gib head device is made up of blockade hook rod, support plate, hook plate and hinge, on the wagon backdoor bottom surface, connect the support plate that is parallel to each other, corresponding with the hook plate head position, the blockade hook rod that installing can touch mutually with the hook plate head between two support plates, the middle part of hook plate with hinge with hook plate and V# rod hinge connection.Like this, after the hook plate head was subjected to the external force effect to leave blockade hook rod, wagon backdoor will self-opening, otherwise wagon backdoor is just closed.

Principle of the present utility model and operating process are in following: when dumping car is in horizontality, when just railway carriage is in entrucking, spring in its spring installation, be in extended state, and impel torque arm to move backward by the pulley that is loaded in the torque arm chute, meanwhile, also move backward with torque arm bonded assembly IV# connecting rod, V# connecting rod, be connected the gib head on the V# connecting rod, the blockade hook rod that just will be loaded on the wagon backdoor bottom surface firmly is fastening, at this moment, as long as hydraulic actuating cylinder does not rise, wagon backdoor just can not be opened, and closes tightly on railway carriage; In order to regulate this distance, can pass through lever regulated frame, and be fixed on the IV# connecting rod with the lock connecting rod body.When dumping car during by hydraulic actuating cylinder jack-up railway carriage hypsokinesis discharging, spring is restored, just impel torque arm to move forward by the pulley that is loaded in the torque arm chute, and the gib head that is connected on the V# connecting rod is separated with the blockade hook rod that is loaded on the wagon backdoor bottom surface through IV# connecting rod, V# connecting rod, wagon backdoor is opened smoothly in discharging.Combine the above technical measures of being taked, realize the purpose of this utility model.

Compared with prior art, the utility model is not only reasonable in design, and compact conformation both had been convenient to the automatic open and close of body door, and was stable again, reliable, and had safety of operation, used advantages such as very convenient.

Description of drawings

The utility model has four width of cloth accompanying drawings.Wherein:

Accompanying drawing 1 is the main TV structure scheme drawing of specific embodiment of the utility model;

Accompanying drawing 2 is that the A of Fig. 1 is to view;

Accompanying drawing 3 is along the cutaway view of I-I line among Fig. 1;

Accompanying drawing 4 is along the cutaway view of II-II line among Fig. 1.

Among the figure: 1, subframe, 2, trip shaft, 3, vehicle frame, 4, lock screw, 5, runner, 6, the arm-tie body, 7, the IV# connecting rod, 8, hook plate, 9, the V# connecting rod, 10, hook plate, 11, blockade hook rod, 12, wagon backdoor, 13, the lock connecting rod body, 14, support plate, 15, the III# connecting rod, 16, nut, 17, lever regulated frame, 18, pulley, 19, the torque arm suspension bracket, 20, crossbeam, 21, prop up spring plank, 22, torque arm, 23, spring, 24, coupling link, 25, the II# connecting rod, 26, sliding wheel, 27, the I# connecting rod, 28, the chute wheel, 29, the torque arm chute, 30, supporting plate, 31, sliding ditch, 32, connection leg.

The specific embodiment

Be specific embodiment of the utility model shown in Fig. 1,2,3,4, it is the dumping car wagon backdoor automatic switch catch gear of installing on 5 tons of dumping cars; Comprise wagon backdoor 12, vehicle frame 3, the crossbeam 20 of vehicle frame 3, subframe 1, trip shaft 2, it is characterized in that: corresponding with wagon backdoor 12 basal surface positions, at crossbeam 20 two ends of vehicle frame 3 middle parts symmetry installing automatic switch catch gear, described each automatic switch catch gear is by torque arm 22, torque arm chute 29, chute wheel 28, I# connecting rod 27, II# connecting rod 25, sliding wheel 26, supporting plate 30, spring installation, torque arm suspension bracket 19, the lock connecting rod body, III# connecting rod 15, IV# connecting rod 7, lock connecting rod body 13, plate pulling device, V# connecting rod 9, the gib head device is formed, connect torque arm chute 29 in crossbeam 20 bottom surfaces, described torque arm chute 29, be square, the end that torque arm 22 is stretched out is uncovered, the other end is sealing, corresponding with the sliding distance of I# connecting rod 27, have the sliding ditch 31 that slidably reciprocates for I# connecting rod 27 in torque arm chute 29 bottom surfaces; Dress torque arm 22 in torque arm chute 29, an end that connects chute wheel 28 and I# connecting rod 27 on one end of torque arm 22 with rotational symmetry, the other end of I# connecting rod 27 flexibly connects an end of sliding wheel 26 and II# connecting rod 25 with axle, the other end of II# connecting rod 25 is connected on vehicle frame 3 sides, corresponding with the sliding distance of chute wheel 28 in torque arm chute 29, connect the supporting plate 30 that moves back and forth for sliding wheel 26 on subframe 1 side below torque arm chute 29; Installing is by a spring plank 21 on the stage casing of torque arm 22, the spring installation that spring 23 and coupling link 24 are formed, the other end of torque arm 22 passes by support body, behind the torque arm suspension bracket 19 that little axle and pulley 18 are formed and with in the end that is threaded in lever regulated frame 17, the thread rod Duan Duan of III# connecting rod 15 is with in the other end that is threaded in lever regulated frame 17, one end of the other end of III# connecting rod 15 and IV# connecting rod 7 is hinged, the other end of IV# connecting rod 7 passes the lock connecting rod and stops 13, one end of plate pulling device and V# connecting rod 9 is hinged, and the other end of V# connecting rod 9 is hinged by blockade hook rod 11 with the hook axle, support plate 14, on the gib head device that hook plate 10 and hinge are formed; Described lock connecting rod body 13 is made up of lock body and lock screw 4; Described plate pulling device is made up of arm-tie body 6, rotating shaft and two runners 5 of two band connection legs 32; Described lever regulated frame 17, the one end is processed with right internal thread hole, and the other end is processed with left internal thread hole; On the thread rod section of the IV# connecting rod 7 between IV# connecting rod 7 and the lever regulated frame 17, be set with the nut 16 and the packing ring of locking.

The above; it only is the preferable specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; all are familiar with those skilled in the art in the disclosed technical scope of the utility model, are equal to replace or change according to the technical solution of the utility model and design of the present utility model thereof all should be encompassed within the protection domain of the present utility model.

Claims

1, a kind of dumping car wagon backdoor automatic switch catch gear, comprise wagon backdoor (12), vehicle frame (3), the crossbeam (20) of vehicle frame (3), subframe (1), trip shaft (2), it is characterized in that: corresponding with wagon backdoor (12) basal surface position, at crossbeam (20) two ends of vehicle frame (3) middle part symmetry installing automatic switch catch gear, described each automatic switch catch gear is by torque arm (22), torque arm chute (29), chute wheel (28), I# connecting rod (27), II# connecting rod (25), sliding wheel (26), supporting plate (30), spring installation, torque arm suspension bracket (19), III# connecting rod (15), lever regulated frame (17), IV# connecting rod (7), lock connecting rod body (13), plate pulling device, V# connecting rod (9) and gib head device are formed, connect torque arm chute (29) in crossbeam (20) bottom surface, dress torque arm (22) in torque arm chute (29), an end that connects chute wheel (28) and I# connecting rod (27) on one end of torque arm (22) with rotational symmetry, the other end of I# connecting rod (27) flexibly connects an end of sliding wheel (26) and II# connecting rod (25) with axle, the other end of II# connecting rod (25) is connected on vehicle frame (3) side, corresponding with chute wheel (28) sliding distance in torque arm chute (29), connect the supporting plate (30) that moves back and forth for sliding wheel (26) on subframe (1) side below torque arm chute (29); Install spring installation on the stage casing of torque arm (22), the other end of torque arm (22) passes torque arm suspension bracket (19) with in the end that is threaded in lever regulated frame (17), the thread rod Duan Duan of III# connecting rod (15) is with in the other end that is threaded in lever regulated frame (17), one end of the other end of III# connecting rod (15) and IV# connecting rod (7) is hinged, it is hinged that the other end of IV# connecting rod (7) passes an end of locking connecting rod body (13), plate pulling device and V# connecting rod (9), and the other end of V# connecting rod (9) is hinged on the gib head device with hinge.

2, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described torque arm chute (29), be square, the end that torque arm (22) is stretched out is uncovered, the other end is sealing, corresponding with the sliding distance of I# connecting rod (27), have the sliding ditch (31) that slidably reciprocates for I# connecting rod (27) in torque arm chute (29) bottom surface.

3, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described spring installation is made up of a spring plank (21), spring (23) and coupling link (24), the top of torque arm (22) section between torque arm chute (29) and torque arm suspension bracket (19) is provided with the coupling link (24) that raises up, one end of spring (23) is connected on the coupling link (24), upward connect a spring plank (21) at crossbeam (20), and go up connection spring (23) other end in a spring plank (21) near spring (23) other end.

4, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described torque arm suspension bracket (19) is made up of support body, little axle and pulley (18), an end that on crossbeam (20) bottom surface, connects the support body that is parallel to each other, little axle is housed between the other end of two parallel support bodys, can makes the pulley (18) of relative motion at little axle sleeve dress with torque arm (22) bottom surface.

5, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described lever regulated frame (17), the one end is processed with right internal thread hole, and the other end is processed with left internal thread hole; On the thread rod section of the IV# connecting rod (7) between IV# connecting rod (7) and the lever regulated frame (17), be set with the nut (16) and the packing ring of locking.

6, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described plate pulling device is made up of arm-tie body (6), rotating shaft and the runner (5) of band connection leg (32), corresponding with position, the shape and size of IV# connecting rod (7), to be connected with the arm-tie body (6) of connection leg (32) on vehicle frame (3) side, symmetry installing rotating shaft on the relative two sides, the interior bottom of arm-tie body (6), all suit can be made the runner (5) of relative motion with IV# connecting rod (7) bottom surface in two rotating shafts.

7, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described lock connecting rod body (13) is made up of lock body and lock screw (4), in lock body, have the hole that IV# connecting rod (7) is passed freely through, in lock body bottom, be equipped with can fastening IV# connecting rod (7) lock screw (4).

8, by the described dumping car wagon backdoor of claim 1 automatic switch catch gear, it is characterized in that: described gib head device is made up of support plate (14), blockade hook rod (11), hook plate (8) and hinge, on wagon backdoor (12) bottom surface, connect the support plate (14) that is parallel to each other, corresponding with hook plate (8) head position, the blockade hook rod (11) that installing can touch mutually with hook plate (8) head between two support plates (14), the middle part of hook plate (8) is hinged with hook plate (8) and V# connecting rod (9) with hinge.