CN201100230Y - Adjustable oil pump bracket assembly - Google Patents

Abstract

The utility model provides an adjustable oil pump support assembly, which includes an oil pump support on the back plate provided with an oil supply pump and a hole through which the transmission shaft can pass through the connection. The horizontal shafts on the two side walls of the oil pump support and the horizontal shaft brackets hinged at both ends of the horizontal shaft. After the transmission shaft is installed on the back plate of the oil pump support and the installation position is adjusted, the hinges are welded and fixed. The utility model provides a new type of adjustable oil pump bracket assembly for concrete mixer trucks with standardized dimensions, which can overcome the long processing cycle of the fixed oil pump bracket in the prior art and the installation angle and positioning size errors caused by chassis changes. question.

Description

Adjustable oil pump bracket assembly

technical field

The utility model relates to an oil pump support assembly of a concrete mixer truck, in particular to an adjustable oil pump support assembly.

Background technique

The mixer truck must always provide power to keep the cylinder in a rotating and stirring state during the transportation of concrete. The power is provided by the engine, and the oil pump of the hydraulic system is driven from the power take-off through the transmission shaft. In order to ensure that the energy loss of the transmission shaft is small, To improve the power transmission efficiency of the transmission shaft, the design of the equivalent angle should be adopted for the transmission shaft. For refitting factories, since the installation angle and position of the power take-off on the chassis cannot be changed, it is necessary to calculate according to the installation size of the specific chassis power take-off during refitting. The installation size and angle of the oil pump, and then make and install.

The existing mixer truck oil pump support is fixed, as shown in Figure 1, it is a commonly used fixed oil pump support (i.e. a simple oil pump support), and its shape is a wide "drawer". The two sides of the "drawer"-shaped support are welded together with the sub-beam (not shown) of the frame, and then a hole is opened on the "drawer"-shaped backboard of the fixed oil pump support for the transmission shaft to be connected to the oil pump. This kind of fixed oil pump bracket in the prior art needs to be adjusted and designed according to the installation data of the power take-off of each chassis. The error of the welding angle with the subframe. If the above problems are encountered, it needs to be reprocessed, which will affect the production progress.

Utility model content

The purpose of this utility model is to provide a new type of adjustable oil pump bracket assembly for concrete mixer trucks with standardized dimensions, so as to overcome the long processing cycle of fixed oil pump brackets in the prior art and the installation angle caused by chassis changes. The problem of positioning size error.

Specifically, the utility model provides an adjustable oil pump support assembly, which includes an oil pump support on the back plate provided with a hole for the oil supply pump and the transmission shaft to pass through the connection. The horizontal axis on the two side walls of the oil pump support and the horizontal axis brackets hinged at both ends of the horizontal axis. After the rotationally connected transmission shaft is installed on the back plate of the oil pump support and the installation position is adjusted, the hinges are welded and fixed.

The adjustable oil pump bracket assembly according to the utility model is characterized in that, the outer side of the horizontal axis bracket also includes welded and fixed reinforcing ribs.

The main beneficial effect of the utility model is to standardize the oil pump bracket, shorten the processing cycle of the oil pump bracket, ensure the accuracy of the installation and positioning size and angle of the oil pump bracket, and improve the work efficiency.

Description of drawings:

Fig. 1 is a structural schematic diagram of an oil pump bracket in the prior art.

Fig. 2 is a structural schematic diagram of the adjustable oil pump bracket assembly of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the adjustable oil pump bracket assembly of the present invention after the oil pump is installed.

Fig. 4 is a structural schematic view of the adjustable oil pump bracket assembly of the present invention from front and rear perspectives after the oil pump is installed.

Fig. 5 is a structural schematic diagram of the adjustable oil pump bracket assembly of the present invention from a lateral perspective after the oil pump is installed.

Among them, the main drawings and symbols are explained as follows:

1. Oil pump support 7. Sub beam

2. Horizontal axis bracket 8. Center line of sub-beam

3. Ribs 9. Oil pump

4. Transverse axis 10. Upper wing surface of sub-beam

5. Oil pump support hole 11. Transmission shaft

6. Horizontal axis bracket hole 12. Front frame center line

Detailed ways

Below through specific embodiment and with reference to accompanying drawing, further illustrate the utility model. However, these embodiments are only used for illustration to facilitate the understanding of the present utility model, and are not intended to limit the present utility model.

Fig. 2 to Fig. 5 respectively depict the structural diagrams of the adjustable oil pump bracket assembly provided by the present invention and its assembled state. It includes an oil pump support 1 provided with an oil supply pump 9 and a hole through which a transmission shaft 11 can pass through on the back plate, and also includes a horizontal shaft 4 hinged through the two side walls of the oil pump support 1 and hinged to the The horizontal axis support 2 at both ends of the horizontal axis, the horizontal axis support 2 is fixedly installed on the sub-beam 7 of the automobile chassis when installed, when the oil pump 9 and the transmission shaft 11 connected in rotation with the oil pump are installed on the oil pump support 1. After adjusting the installation position on the back panel, the hinges are welded and fixed. According to the adjustable oil pump bracket assembly described in the present invention, the outer side of the horizontal axis bracket 1 further includes welded and fixed reinforcing ribs 3 .

Specifically, as shown in FIG. 2 , it is a structural schematic diagram of the adjustable oil pump bracket assembly of the present invention. The adjustable oil pump support assembly includes a "drawer"-shaped oil pump support 1, a transverse shaft 4 and 2 pairs of transverse axis support 2 respectively located on both sides of the oil pump support 1; Two oil pump support holes 5 matched with the horizontal shaft 4, the horizontal shaft 4 runs through the two oil pump support holes 5; the two pairs of the horizontal shaft brackets 2 respectively have 4 are matched with two horizontal axis bracket holes 6, and the horizontal axis 4 passes through the two horizontal axis bracket holes 6. When using the adjustable oil pump bracket assembly of the present utility model, the two horizontal axis brackets 2 can be respectively welded and fixed on the sub-beams 7 on both sides (as shown in FIG. 4 ). The above-mentioned horizontal shaft 4 is cylindrical, and the above-mentioned oil pump support hole 5 and the horizontal-axis support hole 6 are round holes matching with the horizontal shaft 4 . As an alternative, the above-mentioned transverse axis support 2 may also include a reinforcing rib 3 welded and fixed to the transverse axis support 2 , and the reinforcing rib may be welded to the upper airfoil 10 of the subframe. By setting the reinforcing rib 3, the transverse axis bracket can be more firmly welded to the sub-beam. Through the above design, in the adjustable oil pump bracket assembly of the present invention, the oil pump support 1 and the horizontal shaft 4, and the horizontal shaft 4 and the horizontal shaft bracket 2 are initially movably connected. Of course, as an alternative, in order to facilitate operations such as transportation and assembly, there may also be a fixed connection between the oil pump support 1 and the horizontal shaft 4, and between the horizontal shaft 4 and the horizontal shaft bracket 2. The fixed connection It is preferably a fixed connection by spot welding, so that when the adjustable oil pump bracket assembly of the present invention is installed on a concrete mixer truck, the welding points can be destroyed to adjust the position of each component.

The above design can make the oil pump support 1 move left and right in the axial direction of the transverse shaft 4, so as to facilitate left and right alignment with the oil pump 9 (as shown in FIG. 3 ). Simultaneously, the oil pump support 1 can also swing around the horizontal axis 4, so that the oil pump support 1 is aligned with the transmission shaft 11 (as shown in FIG. 3 ) connected obliquely with the oil pump 9 . In addition, the flexible connection or spot welding fixed connection between the horizontal axis bracket and the horizontal axis 4 helps to conveniently apply the adjustable oil pump bracket assembly of the utility model with uniform size standards to concrete with different subbeam widths. Mixer truck.

Fig. 3 is a three-dimensional schematic diagram of the adjustable oil pump bracket assembly of the present invention after the oil pump is installed. There is a hole at the bottom of the "drawer" shape of the oil pump support 1, which can be used for connecting the transmission shaft 11 with the oil pump 9.

Fig. 4 is a structural schematic view of the adjustable oil pump bracket assembly of the present invention from front and rear perspectives after the oil pump is installed. It can be seen from the figure that the two horizontal axis brackets at both ends of the horizontal axis 4 are respectively fixed on the sub-beams 7 on both sides of the concrete mixer truck, and the degree of fixation is strengthened by reinforcing ribs 3 . Since the distance between the two sub-beams 7 of different brands of concrete mixer trucks may be different, the adjustable oil pump bracket assembly of the present invention can well adapt to the above distance changes with standardized dimensions. In addition, the axis connecting the transmission shaft 11 and the oil pump 9 may not be at the sub-beam centerline 8 of the two sub-beams 7 due to various factors, but may have a deviation E from the sub-beam centerline 8 . Therefore, the adjustable oil pump bracket assembly of the present invention can well adapt to the above E with standardized dimensions.

Fig. 5 is a structural schematic diagram of the adjustable oil pump bracket assembly of the present invention from a lateral perspective after the oil pump is installed. Weld the horizontal axis bracket 2 inside the sub-beam 7 at the front end of the front frame. The oil pump support 1 temporarily passes through the horizontal axis 4. The horizontal axis 4 is aligned with the horizontal axis support hole 6 and then positioned and welded. Adjust the positioning dimensions of the oil pump support 1 A, B and installation angle D, adjust the left and right position E where oil pump support 1 is welded on the horizontal axis 4 according to the actual bias position of the chassis power take-off (as shown in Figure 4), where A is the connection point between oil pump support 1 and the oil pump to the front Distance between frame centerlines 12. In order to facilitate the adjustment of the installation size of the oil pump support, the support can be spot welded on the inner side of the subframe first. Since the axis connecting the transmission shaft 11 and the oil pump 9 is inclined up and down, that is, there is an installation angle D. It can be seen from FIG. 4 that the oil pump support 1 is not fully grounded, but has a certain suspension, so that the oil pump support 1 can swing around the horizontal axis 4 back and forth. In this way, the adjustable oil pump bracket assembly of the present invention can well adapt to the above installation angle D with standardized dimensions.

Those skilled in the art know that the adjustable oil pump bracket assembly provided by the utility model can be flexibly connected between the oil pump support 1 and the horizontal shaft 4, and between the horizontal shaft 4 and the horizontal shaft bracket 2, or can be spot welded. The fixed connection is made after proper adjustment during assembly, and then the fixed connection is fully welded. That is to say, the adjustable oil pump support assembly provided by the utility model is a concrete mixer truck that can be applied to various situations in a standardized size.

Through the above detailed description of the preferred specific embodiments, it is hoped that the features and spirit of the present utility model can be described more clearly, and the scope of the present utility model is not limited by the preferred specific embodiments disclosed above. On the contrary, the purpose of the above detailed description is to cover various changes and equivalent arrangements within the scope of the patent claims of the utility model. Therefore, the patent claims for the application for the utility model should be interpreted in the broadest way based on the above description, so as to cover all possible changes and arrangements with equivalents.

Claims (2)

1. An adjustable oil pump bracket assembly, including an oil pump support on the back plate provided with an oil supply pump and a hole through which the transmission shaft can pass through the connection. The horizontal axis of the two side walls and the horizontal axis bracket hinged at the two ends of the horizontal axis. After the installation position is adjusted on the back plate of the oil pump support, the hinges are welded and fixed. 2. The adjustable oil pump bracket assembly according to claim 1, wherein the outer side of the horizontal axis bracket further includes welded and fixed reinforcing ribs.

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