CN203188632U

CN203188632U - Arm support structure of concrete pump truck

Info

Publication number: CN203188632U
Application number: CN 201320186181
Authority: CN
Inventors: 龚桂良
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-15
Filing date: 2013-04-15
Publication date: 2013-09-11
Anticipated expiration: 2023-04-15

Abstract

The utility model relates to the technical field of concrete pump trucks, and particularly discloses an arm support structure of a concrete pump truck. The arm support structure of the concrete pump truck comprises a plurality of arm supports which are connected in sequence, wherein a first arm support of the arm support structure is connected with a rotary table of the concrete pump truck, and two adjacent connected arm supports can be driven by a hydraulic oil cylinder to carry out rotation relative to each other in the perpendicular direction. The arm support structure of the concrete pump truck further comprises a tail end arm support which comprises two sections, and a transverse rotary mechanism. Therefore, when the arm support structure of the concrete pump truck is in work, potential safety hazards caused by the fact that a worker directly pulls a hose to carry out pouring are eliminated, the concrete pump truck does not need to be moved under the condition that a big obstacle exists, only the two sections of the tail end arm support need to be rotated to directly carry out pouring, and a transverse material distribution range of the concrete pump truck can also be enlarged without rotating the rotary table.

Description

A kind of concrete pump truck arm structure

Technical field

The utility model relates to the concrete mixer field, particularly relates to a kind of concrete pump truck arm structure.

Background technology

Concrete mixer is the plant equipment of utilizing pressure that concrete is carried continuously along pipeline, it mainly is made up of jib structure, the pump housing and carrier pipe, concrete mixer in the course of the work, concrete is built from the end hose ejection by carrier pipe, the constructor can control the cloth scope by adjusting the luffing angle that links to each other between jib, also can spur the end hose horizontal hunting and enlarge the cloth scope.

Fig. 4 shows the terminal jib schematic diagram of a kind of concrete pump truck arm in the prior art, when there being supposition obstruction 16, and need build target 15 time, need artificial pulling flexible pipe to build target 15, but, because the flexible pipe the inside is the concrete of high pressure, particularly when the width of obstruction during more again at high-altitude application, so not only require great effort, and exist concrete to splash and potential safety hazard such as hurt sb.'s feelings is pounded in flexible pipe vibrations, so common solution is concrete mixer to be moved a place build to make things convenient for jib structure, but suitable wasting time and energy influences operating efficiency so again.

Fig. 6 shows the terminal jib schematic diagram of a kind of concrete pump truck arm in the prior art, during concrete mixer work, the workman can spur flexible pipe teeter H distance, if want to obtain bigger horizontal cloth scope, then need to rotate the turntable of pump truck, but rotation can cause the vibrations of jib, and comes back rotation also to need to expend time in, and is unfavorable for building of concrete mixer.

Summary of the invention

The utility model overcomes the deficiency that prior art exists, technical problem to be solved provides a kind of concrete pump truck arm, this jib not only can avoid the workman in pulling potential safety problem during flexible pipe, can enlarge the cloth scope under the situation of rotating table not again.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:

A kind of concrete pump truck arm structure is provided, comprise the jib that some joints link to each other successively, its first joint jib links to each other with the concrete mixer turntable, link to each other and under the driving of hydraulic jack, vertically to rotate between the jib, this concrete pump truck arm structure also comprises and is divided into two sections terminal jib, lateral rotation mechanism

Preferably, described terminal jib comprises two sections of one section of terminal jib and terminal jibs, and two sections of one section of described terminal jib and terminal jibs are connected by bearing pin five, and two sections of described jibs link to each other with flexible pipe.

Preferably, described lateral rotation mechanism comprises driving mechanism and linkage.

Preferably, described driving mechanism comprises oil cylinder and piston rod, and described oil cylinder is connected with piston rod, and one section of described oil cylinder and terminal jib are connected by bearing pin one, and described piston rod is connected by bearing pin two with connecting rod one.

Preferably, described linkage comprises connecting rod one and connecting rod two, and described connecting rod one is connected by bearing pin three with connecting rod two, and one section of described connecting rod one and terminal jib are connected by bearing pin six, and two sections of described connecting rod two and terminal jibs are connected by bearing pin four.

The beneficial effect that the utility model compared with prior art has is as follows.

1. eliminated the potential safety hazard that exists when workman's direct pull flexible pipe is built.

2. be divided into two sections owing to the front end jib, and the energy lateral rotation, for some the occasion of building of obstruction is arranged, can directly rotate two sections of terminal jibs, build efficient, reduction labour intensity thereby improve.

3. under the situation that does not need the concrete mixer turntable to rotate, enlarged horizontal cloth scope.

Description of drawings

Fig. 1 is two sections straight configuration three-dimensional structures of the terminal jib of concrete pump truck arm schematic diagram.

Fig. 2 is two sections three-dimensional structure schematic diagrames when bearing pin five is rotated counterclockwise certain angle of the terminal jib of concrete pump truck arm.

Fig. 3 is two sections three-dimensional structure schematic diagrames when bearing pin five turns clockwise certain angle of the terminal jib of concrete pump truck arm.

Fig. 4 is terminal jib rough schematic when concrete pump truck arm is met obstruction in the prior art.

Terminal jib rough schematic when Fig. 5 is the utility model concrete pump truck arm chance obstruction.

Fig. 6 is the terminal jib cloth of concrete pump truck arm schematic diagram in the prior art.

Fig. 7 is the terminal jib cloth of the utility model concrete mixer schematic diagram.

1 is that one section of terminal jib, 2 is that bearing pin two, 3 is that oil cylinder, 4 is that piston rod, 5 is that bearing pin two, 6 is that connecting rod one, 7 is that bearing pin three, 8 is that connecting rod two, 9 is that two sections of terminal jibs, 10 are that flexible pipe, 11 is that bearing pin four, 12 is that bearing pin five, 13 is that bearing pin six, 14 is that terminal jib, 15 is to suppose that building target, 16 is to suppose obstruction among the figure.

The specific embodiment

In order to make those skilled in the art better understand the technical solution of the utility model, newly be described in further detail practical below in conjunction with the drawings and specific embodiments.

As shown in Figure 1, a kind of concrete pump truck arm structure, comprise the jib that some joints link to each other successively, its first joint jib links to each other with the concrete mixer turntable, link to each other and under the driving of hydraulic jack, vertically to rotate between the jib, this concrete pump truck arm structure also comprises and is divided into two sections terminal jib, lateral rotation mechanism.

Terminal jib comprises two section 9 of a section 1 of terminal jib and terminal jib, and two section 9 of one section 1 of terminal jib and terminal jib are connected by bearing pin 5 12, and two section 9 of jib links to each other with flexible pipe 10.

Lateral rotation mechanism comprises driving mechanism and linkage; Driving mechanism comprises oil cylinder 3 and piston rod 4, and oil cylinder 3 is connected with piston rod 4, and one section 1 of oil cylinder 3 and terminal jib are connected by bearing pin 1, and piston rod 4 is connected by bearing pin 25 with connecting rod 16; Linkage comprises connecting rod 1 and connecting rod 28, and connecting rod 1 is connected by bearing pin 37 with connecting rod 28, and one section 1 of connecting rod 1 and terminal jib are connected by bearing pin 6 13, and two section 9 of connecting rod 28 and terminal jib are connected by bearing pin 4 11.

As shown in Figure 5, when end has supposition obstruction 18, in the time of need building target 17, terminal jib two section 9 can be around about 0 ~ 180 ° of bearing pin 5 12 rotations, so just, can build easily, not build and do not need the transportable concrete pump truck to look for suitable casting position or workman to spur flexible pipe by force in addition.Its model structure as shown in Figures 2 and 3, Fig. 2 is two sections three-dimensional structure schematic diagrames when bearing pin five is rotated counterclockwise certain angle of the terminal jib of concrete pump truck arm, and Fig. 3 is two sections three-dimensional structure schematic diagrames when bearing pin five turns clockwise certain angle of the terminal jib of concrete pump truck arm.

Obviously, when jib had as mentioned above structure, laterally the cloth scope had expanded H ' shown in Figure 7 to from H shown in Figure 6.

By with described only be preferred embodiment of the present utility model, should be pointed out that for the art

Common scientific and technical personnel under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, and these improvement and replacement should be considered as protection domain of the present utility model.

Claims

1. concrete pump truck arm structure, comprise the jib that some joints link to each other successively, its first joint jib links to each other with the concrete mixer turntable, link to each other and under the driving of hydraulic jack, vertically to rotate between the jib, it is characterized in that this concrete pump truck arm structure also comprises terminal jib and the lateral rotation mechanism that is divided into two sections.

2. a kind of concrete pump truck arm structure according to claim 1, it is characterized in that, described terminal jib comprises one section (1) of terminal jib and two sections of terminal jibs (9), described terminal jib one section (1) and terminal jib two sections (9) are connected by bearing pin five (12), and described jib two sections (9) links to each other with flexible pipe (10).

3. a kind of concrete pump truck arm structure according to claim 1 is characterized in that, described lateral rotation mechanism comprises driving mechanism and linkage.

4. according to claim 1 or 3 described a kind of concrete pump truck arm structures, it is characterized in that, described driving mechanism comprises oil cylinder (3) and piston rod (4), described oil cylinder (3) is connected with piston rod (4), described oil cylinder (3) and terminal jib one section (1) are connected by bearing pin one (2), and described piston rod (4) is connected by bearing pin two (5) with connecting rod one (6).

5. according to claim 1 or 3 described a kind of concrete pump truck arm structures, it is characterized in that, described linkage comprises connecting rod one (6) and connecting rod two (8), described connecting rod one (6) is connected by bearing pin three (7) with connecting rod two (8), described connecting rod one (6) and terminal jib one section (1) are connected by bearing pin six (13), and described connecting rod two (8) and terminal jib two sections (9) are connected by bearing pin four (11).