Pump truck with multidirectional supporting mechanism

Abstract

The utility model discloses a pump truck with a multidirectional supporting mechanism, which relates to the technical field of pump trucks and comprises a truck base, supporting box bodies and a cross-shaped supporting arm, the supporting box bodies are arranged on two sides of the truck base, a transposition mechanism is arranged in each supporting box body, and the cross-shaped supporting arm is arranged on the cross-shaped supporting arm. The transposition mechanism adjusts the angle of the cross-shaped supporting arm and the angle of the corresponding supporting piece according to a construction site, then the supporting stability is improved conveniently, a lifting mechanism is arranged under the transposition mechanism, and the supporting area of the lifting mechanism is increased through an assembly arranged at the bottom end of the cross-shaped supporting arm. Therefore, the side supporting stability of the pump truck in the running process is improved, and the situation that the supporting stability is affected due to the fact that the columnar supporting structure is too single is avoided. In the using process, the steering gear is rotated through the electric spindle, the gear ring and the hydraulic oil cylinder are driven by the steering gear to rotate, and then the position of the bottom supporting arm connected with the output end of the hydraulic oil cylinder is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical fields related to pump truck, concretely relates to a pump truck with multidirectional support mechanism. BACKGROUND

[0002] The power of the concrete pump truck is taken from the engine through the transfer case, and then is distributed to the hydraulic pump or the rear axle. The hydraulic pump on the concrete pump truck is connected in series by multiple pumps, and due to the small space of the installation position on the whole vehicle, this process needs to pre-assemble the hydraulic pump and the transfer case together before loading.

[0003] In the mechanical production and assembly process, in order to facilitate operation, a part is usually fixed first, and then other parts are installed on the fixed part according to the assembly sequence, and finally assembled into a required assembly. When selecting the tooling of the fixed part, the general tool is usually preferred, but the single support surface of the single hydraulic rod is too single, and due to the change of the construction site, it is difficult to adjust the angle of the rectangular structure support according to the support demand, which affects the stability of the support. SUMMARY

[0004] The utility model aims at providing a pump truck with multidirectional support mechanism to solve the above defects caused by the prior art.

[0005] A pump truck with multidirectional support mechanism, comprising a vehicle base, a support box body and a cross support arm, both sides of the vehicle base are provided with a support box body, the inside of the support box body is provided with a transposition mechanism, the transposition mechanism adjusts the angle of the cross support arm and the corresponding support according to the construction site, thereby facilitating the improvement of the stability of the support, the lifting mechanism is arranged directly below the transposition mechanism, the lifting mechanism increases the support area through the assembly arranged at the bottom end of the cross support arm, thereby improving the stability of the side support of the pump truck during operation, avoiding the too single columnar support structure affecting the stability of the support.

[0006] Preferably, the transposition mechanism comprises a support box body, a positioning hole, an electric spindle, a positioning disc body, a rolling bearing, a gear ring and a steering gear, the positioning hole is annularly opened on the outside of the support box body, the electric spindle is arranged at the top end of the support box body, the output end of the electric spindle is connected with the steering gear, the outside of the steering gear is meshingly connected with the gear ring, the outside of the gear ring is connected with the positioning disc body, the rolling bearing is connected through the bottom end of the support box body, and the inside of the positioning disc body is connected with the gear ring.

[0007] Preferably, the electric spindle is meshingly connected with the gear ring outside through the output end connected steering gear.

[0008] Preferably, the lifting mechanism comprises cross support arms, buffer seats, bottom support arms, nuts, hydraulic cylinders and clamping grooves, the bottom ends of the cross support arms are symmetrically provided with the buffer seats, the buffer seats are provided with the clamping grooves above, the buffer seats are provided with the bottom support arms below, the nuts are annularly arranged in the inside of the support box body, two groups of the cross support arms are symmetrically arranged on the upper and lower sides of the hydraulic cylinders, and the output ends of the hydraulic cylinders are connected with one group of the cross support arms.

[0009] Preferably, the buffer seats are connected with the outer sides of the cross support arms through the clamping grooves arranged at the top ends.

[0010] Preferably, the support box body is connected with the outer side of the positioning disc body through the positioning holes arranged in a ring shape.

[0011] Compared with the prior art, the lifting mechanism has the following advantages:

[0012] 1. During use, the bottom support arms connected with the output ends of the hydraulic cylinders are adjusted by rotating the steering gear of the electric spindle, rotating the gear ring and the hydraulic cylinder driven by the steering gear, thereby facilitating the adjustment according to the position of the pump truck and the position of the support, the structural strength of the equipment during assembly and use is improved by the two groups of cross support arms, and the cumulative error during the assembly of the cloth rod and the deformation amount of the arm frame after the concrete pump truck is used are compensated by adjusting the height.

[0013] 2. The cross support arms and the bottom support arms increase the ground contact surface, avoid the influence of the small support area on the use stability, are connected with the buffer seats through the clamping grooves, improve the stability when the buffer seats contact with the cross support arms, increase the overall strength and service life of the vehicle body, have higher bearing weight and wider use range. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the whole utility model.

[0015] Figure 2 It is a structural schematic view of the support box body in the utility model from the side.

[0016] Figure 3 It is a structural schematic view of the inside of the support box body in the utility model.

[0017] Figure 4 It is a structural schematic view of the buffer seat in the utility model.

[0018] Figure 5 It is a structural schematic view of the positioning disc body in the utility model from the top.

[0019] Among them:

[0020] 1, car base; 2, support box; 3, positioning hole; 4, electric spindle; 5, transposition mechanism; 6, cross support arm; 7, buffer seat; 8, bottom support arm; 9, lifting mechanism; 10, positioning disc body; 11, rolling bearing; 12, nut; 13, hydraulic oil cylinder; 14, clamping groove; 15, gear ring; 16, steering gear. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] As shown in Figures 1 to 5 A pump truck with a multidirectional support mechanism, comprising a car base 1, a support box 2 and a cross support arm 6, both sides of the car base 1 are provided with a support box 2, the inside of the support box 2 is provided with a transposition mechanism 5, the transposition mechanism 5 adjusts the angle of the cross support arm 6 and the corresponding support according to the construction site, thereby facilitating the stability of the support, the lifting mechanism 9 is arranged below the transposition mechanism 5, the lifting mechanism 9 increases the support area through the components arranged at the bottom end of the cross support arm 6, thereby improving the stability of the side support of the pump truck during operation, avoiding the influence of the single columnar support structure on the stability of the support.

[0023] In this embodiment, the transposition mechanism 5 comprises a support box 2, a positioning hole 3, an electric spindle 4, a positioning disc body 10, a rolling bearing 11, a gear ring 15 and a steering gear 16, the positioning hole 3 is annularly opened on the outside of the support box 2, the electric spindle 4 is arranged at the top end of the support box 2, the output end of the electric spindle 4 is connected with the steering gear 16, the outside of the steering gear 16 is meshingly connected with the gear ring 15, the outside of the gear ring 15 is connected with the positioning disc body 10, the rolling bearing 11 is connected through the bottom end of the support box 2, and the inside of the positioning disc body 10 is connected with the gear ring 15.

[0024] In this embodiment, the electric spindle 4 is meshingly connected with the gear ring 15 on the outside through the output end connected steering gear 16, and the angle of the bottom support arm 8 is adjusted by the meshing of the steering gear 16 and the gear ring 15.

[0025] In the embodiment, the lifting mechanism 9 comprises a cross support arm 6, a buffer seat 7, a bottom support arm 8, a nut 12, a hydraulic oil cylinder 13 and a clamping groove 14, the bottom end of the cross support arm 6 is symmetrically provided with the buffer seat 7, the upper side of the buffer seat 7 is provided with the clamping groove 14, the lower side of the buffer seat 7 is provided with the bottom support arm 8, the nut 12 is annularly arranged in the inside of the support box 2, two groups of the cross support arm 6 are symmetrically arranged on the upper and lower sides of the hydraulic oil cylinder 13, the output end of the hydraulic oil cylinder 13 is connected with one group of the cross support arm 6, the ground contact area is increased through the cross support arm 6 and the bottom support arm 8, and the use stability is avoided from being affected by the small support area.

[0026] In the embodiment, the buffer seat 7 is connected with the outer side of the cross support arm 6 through the clamping groove 14 opened at the top end, and is connected with the bottom end of the cross support arm 6 through the clamping groove 14, so that the stability of the buffer seat 7 is improved.

[0027] In the embodiment, the support box 2 is connected with the outer side of the positioning disc body 10 through the positioning hole 3 arranged in an annular manner, the positioning disc body 10 and the support box 2 are locked through the positioning hole 3, and the loosening of the positioning disc body 10 is avoided.

[0028] The pump truck with the multi-directional support mechanism comprises the following working contents in actual application.

[0029] Step 1: the operator first installs one group of the cross support arm 6 at the bottom end of the positioning disc body 10, connects the outer side of the cross support arm 6 with the rolling bearing 11, connects the top end of the hydraulic oil cylinder 13 with the bottom end of the cross support arm 6, connects the output end of the hydraulic oil cylinder 13 with the top end of the other group of the cross support arm 6, drives the cross support arm 6 to vertically lift through the hydraulic oil cylinder 13, vertically lifts through the cross support arm 6, the buffer seat 7 and the bottom support arm 8, and then makes the bottom end of the bottom support arm 8 contact with the ground.

[0030] Step 2: the operator aligns the bottom end of the cross support arm 6 with the clamping groove 14 opened at the top end of the buffer seat 7, connects the clamping groove 14 with the outer side of the cross support arm 6, connects the cross support arm 6 with the buffer seat 7 through the screw, locks the bottom end of the buffer seat 7 with the top end of the bottom support arm 8, the bottom support arm 8 is a rectangular alloy structure, the support strength of the two sides of the truck base 1 is increased through the bottom support arm 8 in the use process, and the single support surface of the hydraulic oil cylinder 13 or the circular support column affects the support stability.

[0031] Step 3: when using, the car base 1 is connected with the support box 2 on both sides, and the corresponding hydraulic pump and hydraulic oil tank are installed at the bottom end of the car base 1, the hydraulic oil is directly injected into the hydraulic oil cylinder 13 through the hydraulic pump, then the cross support arm 6 connected at the bottom end is vertically released through the hydraulic oil cylinder 13, the cross support arm 6 can also be separated from the output end of the hydraulic oil cylinder 13, which is convenient for driving and running of the car, the operator can insert the screw into the positioning hole 3 to lock the positioning disc body 10, avoid the positioning disc body 10 and the support box 2 from shaking in daily use, and connect the bottom end of the screw with the nut 12 to improve the locking strength;

[0032] Step 4: the electric spindle 4 is opened, the electric spindle 4 drives the steering gear 16 to rotate, the steering gear 16 is engaged with the tooth ring 15 on the outside, and then the positioning disc body 10 and the cross support arm 6 and the hydraulic oil cylinder 13 connected below are rotated, and then the horizontal state of the bottom support arm 8 is adjusted, so that the angle of the bottom support arm 8 can be adjusted, and then the adjustment of the bottom support arm 8 is satisfied, and the flexibility of the bottom support arm 8 during supporting of the car base 1 is increased.

[0033] Therefore, the above disclosed embodiments are only examples and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. A pump truck with a multi-directional support mechanism, characterized in that: The system includes a base (1), a support box (2), and a cross support arm (6). The base (1) has a support box (2) on both sides. The support box (2) has a shifting mechanism (5) inside. The shifting mechanism (5) adjusts the angle of the cross support arm (6) and corresponding support components according to the construction site, thereby improving the stability of the support. A lifting mechanism (9) is provided directly below the shifting mechanism (5). The lifting mechanism (9) increases the support area through the components provided at the bottom of the cross support arm (6), thereby improving the stability of the side support of the pump truck during operation and avoiding the instability of the support due to the simple column support structure.

2. A pump truck with a multi-directional support mechanism according to claim 1, characterized in that: The shifting mechanism (5) includes a support housing (2), a positioning hole (3), an electric spindle (4), a positioning disc (10), a rolling bearing (11), a gear ring (15), and a steering gear (16). The positioning hole (3) is annularly opened on the outer side of the support housing (2). The electric spindle (4) is provided at the top of the support housing (2). The output end of the electric spindle (4) is connected to the steering gear (16). The gear ring (15) is meshed on the outer side of the steering gear (16). The positioning disc (10) is connected on the outer side of the gear ring (15). The rolling bearing (11) is connected through the bottom end of the support housing (2). The gear ring (15) is connected inside the positioning disc (10).

3. A pump truck with a multi-directional support mechanism according to claim 2, characterized in that: The electric spindle (4) is connected to the outer side of the gear ring (15) via a steering gear (16) connected to the output end.

4. A pump truck with a multi-directional support mechanism according to claim 1, characterized in that: The lifting mechanism (9) includes a cross support arm (6), a buffer seat (7), a bottom support arm (8), a nut (12), a hydraulic cylinder (13), and a slot (14). The bottom end of the cross support arm (6) is symmetrically provided with a buffer seat (7). The top of the buffer seat (7) is provided with a slot (14). The bottom support arm (8) is provided directly below the buffer seat (7). The nut (12) is distributed in a ring inside the support box (2). Two sets of cross support arms (6) are symmetrically arranged on the upper and lower sides of the hydraulic cylinder (13). The output end of the hydraulic cylinder (13) is connected to one set of cross support arms (6).

5. A pump truck with a multi-directional support mechanism according to claim 4, characterized in that: The buffer seat (7) is connected to the outside of the cross support arm (6) through a slot (14) at the top.

6. A pump truck with a multi-directional support mechanism according to claim 2, characterized in that: The support box (2) is connected to the outside of the positioning plate (10) through a ring-shaped positioning hole (3).

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