CN215094653U

CN215094653U - Concrete mixer truck

Info

Publication number: CN215094653U
Application number: CN202120349651.7U
Authority: CN
Inventors: 刘红岩
Original assignee: Zhongding Wisdom Construction Development Co Ltd
Current assignee: Zhongding Wisdom Construction Development Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-12-10
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a concrete mixer relates to the architectural equipment field, including the transportation automobile body, install the support on the transportation automobile body, support internally mounted has the churn, churn nozzle department installs safe hoist mechanism, safe hoist mechanism includes two ladder and unable adjustment base of going up, the inside movable groove of having all seted up of unable adjustment base, the inside rotation of movable inslot is connected with two-way screw rod, two-way screw rod surface symmetry is equipped with the slider, the inside screw that has link up of slider has been seted up. The utility model discloses a set up the ladder of getting on bus and make things convenient for the staff to walk on the transportation automobile body, then expand a plurality of lift arms through driving motor, upwards promote the platform of standing to utilize the safety ring on the rail to hang the safety hook, avoid the staff to drop, wholly make the utility model discloses can effectively improve the security of during operation to reduce staff's intensity of labour, facilitate the use.

Description

Concrete mixer truck

Technical Field

The utility model relates to a construction equipment field, in particular to concrete mixer truck.

Background

The concrete mixing truck is a special truck for conveying concrete for construction, and is also commonly called a river snail truck due to the appearance of the truck, and cylindrical mixing drums are arranged on the trucks for carrying mixed concrete, and can be kept to rotate all the time in the transportation process so as to ensure that the carried concrete cannot be solidified.

In prior art, when the concrete mixer truck was maintaining or the washing operation after unloading, needed the staff to climb the churn through the cat ladder on, the staff needed handheld tool when climbing, and the security is not ideal enough, and is comparatively hard simultaneously, uses comparatively inconveniently.

Therefore, it is necessary to invent a concrete mixer truck to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete mixer truck to the staff who proposes among the above-mentioned background art of solution washs or when maintaining that the security is unsatisfactory and the hard problem of climbing.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete mixer truck comprises a truck body, wherein a support is mounted on the truck body, a mixing drum is mounted inside the support, and a safety lifting mechanism is mounted at the mouth of the mixing drum;

the safe lifting mechanism comprises two boarding ladders and a fixed base, wherein movable grooves are formed in the fixed base, two-way screws are rotatably connected in the movable grooves, the surfaces of the two-way screws are symmetrically provided with sliders, screw holes are formed in the sliders in a through mode, one end of each two-way screw is fixedly connected with a connecting shaft, the end part of each connecting shaft is fixedly connected with a driving motor, the top of each slider is provided with a plurality of pairs of lifting rods, the center of each lifting rod is fixedly connected with a first connecting ring, a fixed shaft is movably connected between the first connecting rings on each pair of two lifting rods, the end part of each lifting rod is fixedly connected with a second connecting ring, a movable block is arranged between the second connecting rings on the two pairs of lifting rods, the front end and the rear end of each movable block are fixedly connected with connecting rods, and the movable block at the bottom end of each lifting rod is fixedly arranged on the surface of the slider, the utility model discloses a lifting rod, including lifting rod, stand platform, fixed base, lifting rod top, the spout has been seted up on the platform bottom surface of standing, the flexible gag lever post of fixedly connected with between platform bottom and the fixed base stands, platform top fixedly connected with rail stands, rail surface sliding connection has a plurality of safety rings.

Preferably, the two boarding ladders are fixedly arranged on the front side and the rear side of the transport vehicle body, and the fixed base is fixedly arranged on the top surface of the transport vehicle body.

Preferably, the bidirectional screw is in threaded connection with the sliding block through a screw hole, and the sliding block is in sliding connection with the inner wall of the movable groove.

Preferably, every two lifting rods are hinged to each other through a first connecting ring and a fixed shaft, and the end of each lifting rod is movably connected with the sliding block and the standing platform through a second connecting ring, a movable block and a connecting rod.

Preferably, the top surface of the fixed base and the bottom surface of the standing platform are both fixedly connected with supporting blocks.

Preferably, a charging barrel is installed at the position of a barrel opening of the stirring barrel, a cover plate is installed at the top of the charging barrel, and a switch valve is installed at the bottom of the charging barrel.

The utility model discloses a technological effect and advantage:

1. the working personnel can conveniently walk onto the transportation vehicle body by arranging the loading ladder, then the connecting shaft is driven to rotate by the rotation of the output shaft of the driving motor, the connecting shaft drives the bidirectional screw to rotate, the bidirectional screw rotates to drive the sliding block to move oppositely through the screw hole, the sliding block moves to drive the plurality of pairs of lifting rods to rotate by taking the first connecting ring as a central point, so that the plurality of lifting rods are unfolded, the standing platform is lifted upwards, the safety hook is hung by utilizing the safety ring on the fence, the falling of the working personnel is avoided, the whole body is enabled to ensure that the utility model can effectively improve the safety during working, reduce the labor intensity of the working personnel and be convenient to use;

2. by arranging the supporting block, when the standing platform does not work, the standing platform can be supported through the supporting block, so that the acting force between the sliding block and the bidirectional screw rod can be reduced, and the service life is prolonged;

3. through setting up the apron, can prevent that the foreign matter from entering into the churn through the feed cylinder inside, the ooff valve can prevent that the concrete of feed cylinder inner wall adhesion from receiving vibrations discharge at the in-process of transportation, prevents the waste of material and avoids the pollution to the road.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection structure of the fixing base and the standing platform of the present invention.

Fig. 3 is a top view of the movable block structure of the present invention.

Fig. 4 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: 1. a transporter body; 2. a support; 3. a mixing drum; 4. a safety lifting mechanism; 5. getting on the vehicle ladder; 6. a fixed base; 7. a movable groove; 8. a bidirectional screw; 9. a slider; 10. a screw hole; 11. a connecting shaft; 12. a drive motor; 13. a lifting bar; 14. a first connecting ring; 15. a fixed shaft; 16. a second connection ring; 17. a movable block; 18. a connecting rod; 19. a standing platform; 20. a chute; 21. a telescopic limiting rod; 22. a fence; 23. a safety ring; 24. a support block; 25. a charging barrel; 26. a cover plate; 27. and (4) switching on and off the valve.

Detailed Description

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

The utility model provides a concrete mixer truck as shown in figures 1-4, which comprises a transporting truck body 1, wherein a bracket 2 is arranged on the transporting truck body 1, a mixing drum 3 is arranged in the bracket 2, so that concrete can be continuously mixed while being transported, and the concrete is prevented from being solidified in the transporting process;

secondly, a safe lifting mechanism 4 is installed at the opening of the mixing drum 3, the safe lifting mechanism 4 comprises two upper vehicle ladders 5 and a fixed base 6, the two upper vehicle ladders 5 are fixedly installed at the front side and the rear side of the transport vehicle body 1, the upper vehicle ladders 5 can facilitate workers to climb onto the transport vehicle body 1, the fixed base 6 is fixedly installed on the top surface of the transport vehicle body 1, a movable groove 7 is formed in the fixed base 6, a bidirectional screw 8 is rotatably connected in the movable groove 7, sliding blocks 9 are symmetrically arranged on the surfaces of the bidirectional screw 8, the bidirectional screw 8 is in threaded connection with the sliding blocks 9 through screw holes 10, the sliding blocks 9 are in sliding connection with the inner wall of the movable groove 7, the screw holes 10 are formed in the sliding blocks 9 in a penetrating manner, one end of the bidirectional screw 8 is fixedly connected with a connecting shaft 11, and the end part of the connecting shaft 11 is fixedly connected with a driving motor 12, the output shaft of the driving motor 12 can rotate to drive the connecting shaft 11 to rotate, the connecting shaft 11 rotates to drive the bidirectional screw 8 to rotate, the bidirectional screw 8 rotates to drive the sliding blocks 9 to move oppositely through the screw holes 10, the sliding blocks 9 move to drive the pairs of lifting rods 13 to rotate by taking the first connecting ring 14 as a central point, so that the plurality of lifting rods 13 are unfolded, and the standing platform 19 is lifted upwards;

then, a plurality of pairs of lifting rods 13 are arranged on the top of the sliding block 9, a first connecting ring 14 is fixedly connected to the center of each lifting rod 13, a fixed shaft 15 is movably connected between the first connecting rings 14 on each two lifting rods 13, each two lifting rods 13 are hinged to each other through the first connecting rings 14 and the fixed shaft 15, so that the lifting rods 13 can rotate around the first connecting rings 14, a second connecting ring 16 is fixedly connected to the end of each lifting rod 13, a movable block 17 is arranged between the second connecting rings 16 on each two lifting rods 13, connecting rods 18 are fixedly connected to the front and rear ends of the movable block 17, the movable block 17 at the bottom end of each lifting rod 13 is fixedly mounted on the surface of the sliding block 9, a standing platform 19 is arranged on the top of each lifting rod 13, and the end of each lifting rod 13 is connected to the sliding block through the second connecting rings 16, The movable block 17 and the connecting rod 18 are respectively movably connected with the sliding block 9 and the standing platform 19, a sliding groove 20 is formed in the surface of the bottom of the standing platform 19, and a telescopic limiting rod 21 is fixedly connected between the bottom of the standing platform 19 and the fixed base 6 and can play a good limiting role on the standing platform 19, so that the standing platform 19 can be prevented from laterally deviating, and the stability is improved;

finally, standing platform 19 top fixedly connected with rail 22 can increase staff's security, rail 22 surperficial sliding connection has a plurality of safety rings 23, can be used for hanging the safety hook, further improves the security.

As shown in fig. 2, the top surface of the fixing base 6 and the bottom surface of the standing platform 19 are both fixedly connected with supporting blocks 24, the supporting blocks 24 can be arranged through the supporting blocks 24, when the standing platform 19 does not work, the standing platform 19 can be supported through the supporting blocks 24, so that the acting force between the sliding block 9 and the bidirectional screw 8 can be reduced, and the service life can be prolonged.

As shown in fig. 1, a charging barrel 25 is installed at the opening of the mixing drum 3, a cover plate 26 is installed at the top of the charging barrel 25, a switch valve 27 is installed at the bottom of the charging barrel 25, the cover plate 26 can be arranged through the charging barrel 25 to prevent foreign matters from entering the mixing drum 3, the switch valve 27 can prevent concrete adhered to the inner wall of the charging barrel 25 from being discharged by vibration in the transportation process, and the waste of materials and the pollution to roads are prevented.

The utility model discloses the theory of operation:

in-service use the utility model discloses the time, the staff foot is stepped on the car ladder 5 and is walked to transportation automobile body 1, then pass on rail 22 enters into standing platform 19, open driving motor 12, driving motor 12 output shaft rotates and drives connecting axle 11 and rotates, connecting axle 11 rotates and drives two-way screw 8 and rotate, two-way screw 8 rotates and drives slider 9 through screw 10 and remove in opposite directions, slider 9 removes and drives and to rotate for the central point to lifting rod 13 with first connecting ring 14 many, thereby launch a plurality of lifting rods 13, upwards promote platform 19 of standing, and utilize safety ring 23 on the rail 22 to hang the safety hook, avoid the staff to drop, wholly make the utility model discloses can effectively improve the security of during operation, and reduce staff's intensity of labour, facilitate the use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a concrete mixer which characterized in that: the device comprises a transport vehicle body (1), wherein a support (2) is mounted on the transport vehicle body (1), a mixing drum (3) is mounted inside the support (2), and a safety lifting mechanism (4) is mounted at a drum opening of the mixing drum (3);

the safe lifting mechanism (4) comprises two boarding ladders (5) and a fixed base (6), a movable groove (7) is formed in the fixed base (6), a bidirectional screw (8) is rotatably connected in the movable groove (7), a sliding block (9) is symmetrically arranged on the surface of the bidirectional screw (8), a screw hole (10) is formed in the sliding block (9) in a penetrating manner, one end of the bidirectional screw (8) is fixedly connected with a connecting shaft (11), a driving motor (12) is fixedly connected to the end part of the connecting shaft (11), a plurality of pairs of lifting rods (13) are arranged at the top of the sliding block (9), a first connecting ring (14) is fixedly connected to the center of each lifting rod (13), a fixed shaft (15) is movably connected to the inner part between the first connecting rings (14) on each pair of two lifting rods (13), and a second connecting ring (16) is fixedly connected to the end part of each lifting rod (13), two pairs be equipped with movable block (17) between second go-between (16) on lift bar (13), the equal fixedly connected with connecting rod in both ends (18) around movable block (17), movable block (17) fixed mounting in slider (9) surface of lift bar (13) bottom, lift bar (13) top is equipped with stand platform (19), spout (20) have been seted up on stand platform (19) bottom surface, the flexible gag lever post (21) of fixedly connected with between stand platform (19) bottom and unable adjustment base (6), stand platform (19) top fixedly connected with rail (22), rail (22) surface sliding connection has a plurality of safety rings (23).

2. A concrete mixer truck according to claim 1, wherein: two go up equal fixed mounting in both sides around transportation automobile body (1) of car ladder (5), the equal fixed mounting of unable adjustment base (6) is on transportation automobile body (1) top surface.

3. A concrete mixer truck according to claim 1, wherein: the bidirectional screw (8) is in threaded connection with the sliding block (9) through the screw hole (10), and the sliding block (9) is in sliding connection with the inner wall of the movable groove (7).

4. A concrete mixer truck according to claim 1, wherein: each pair of two lifting rods (13) are hinged to each other through a first connecting ring (14) and a fixed shaft (15), and the end part of each lifting rod (13) is movably connected with a sliding block (9) and a standing platform (19) through a second connecting ring (16), a movable block (17) and a connecting rod (18).

5. A concrete mixer truck according to claim 1, wherein: the top surface of the fixed base (6) and the bottom surface of the standing platform (19) are fixedly connected with supporting blocks (24).

6. A concrete mixer truck according to claim 1, wherein: the mixing drum is characterized in that a charging barrel (25) is installed at the barrel opening of the mixing drum (3), a cover plate (26) is installed at the top of the charging barrel (25), and a switch valve (27) is installed at the bottom of the charging barrel (25).