Push rod assembly of bulldozer

Abstract

The utility model discloses a bulldozer push rod assembly in the technical field of bulldozer assembly push rods, which comprises a supporting arm, a mounting ring arranged at one end of the supporting arm, a connecting ring arranged at the other end of the supporting arm, a supporting column slidably connected to the top of the supporting arm, a sliding groove formed in the top of the supporting arm, a damping component arranged in the sliding groove, and an open groove formed in a right side arm of the supporting column. A damping buffering assembly is arranged in the open groove and comprises a sleeve arranged in the open groove, a rotating shaft penetrates through the front side wall of the sleeve, one end of a piston rod penetrates through the right side wall in the sleeve and is hinged to a mounting plate arranged outside, and the outer wall of the piston rod is sleeved with a damping spring; the push rod assembly has a certain damping and shock absorption effect under the cooperation of the damping and buffering assembly and the shock absorption assembly, and therefore shock generated when the push rod assembly conducts bulldozing operation on the bulldozing plate can be damped, absorbed and buffered, and the situation that the push rod assembly is damaged or broken is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of a push rod assembly for a bulldozer, in particular to a push rod assembly for a bulldozer. Background Art

[0002] A bulldozer is an earth-moving engineering machine that can dig, transport and discard rock and soil. It is widely used in open-pit mines, for example, to build dumping sites, level automobile dumping sites, pile up scattered ore and rock, level work platforms and construction sites, etc. It is not only used for auxiliary work, but also for major mining work. The push rod assembly supports the bulldozer's bulldozer board. The current push rod assembly has a poor shock absorption effect. When the bulldozer board is performing bulldozing operations, vibrations will be generated, which can easily cause damage or breakage of the push rod assembly. Therefore, we propose a bulldozer push rod assembly. Utility Model Content

[0003] The purpose of the utility model is to provide a bulldozer push rod assembly to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bulldozer push rod assembly, comprising a support arm, one end of the support arm is provided with a mounting ring, the other end of the support arm is provided with a connecting ring, the top of the support arm is slidably connected with a support column, the top of the support arm is provided with a slide groove, a shock absorbing assembly is provided in the slide groove, the right arm of the support column is provided with a slot, a damping buffer assembly is provided in the slot, the damping buffer assembly includes a sleeve provided in the slot, a rotating shaft is penetrated through the front side wall of the sleeve, two ends of the rotating shaft are respectively connected to bearings provided on the front and rear side walls of the support column, a piston head is slidably connected in the sleeve, a damping medium is provided on the left side of the sleeve, a piston rod is provided on the right side wall of the piston head, one end of the piston rod penetrates the right side wall of the sleeve and is hinged to a mounting plate provided on the outside, and a damping spring is sleeved on the outer wall of the piston rod.

[0005] Furthermore, the shock absorbing assembly includes a sliding rod arranged in the sliding groove, the two ends of the sliding rod are respectively connected to the left and right side walls in the sliding groove, the outer wall of the sliding rod is sleeved with a sliding block, the top of the sliding block is connected to the bottom of the support column, the outer wall of the sliding rod is sleeved with a spring, one end of the spring is connected to the left side wall in the sliding groove, and the other end of the spring is connected to the left side wall of the sliding block.

[0006] Furthermore, a limiting groove is provided at the bottom of the slide groove, and a limiting block matching the limiting groove is provided at the bottom of the sliding block.

[0007] Furthermore, the support column is arranged on the support arm in an inclined manner.

[0008] Furthermore, one end of the damping spring is connected to the right side wall of the sleeve, and the other end of the damping spring is connected to the left side wall of the mounting plate.

[0009] Compared with the prior art, the beneficial effect of the utility model is that the push rod assembly has a certain damping and shock absorbing effect under the cooperation of the damping and buffering component and the shock absorbing component, so that the push rod assembly can damp and shock-absorb the vibration generated when the bulldozer plate performs bulldozing operations, so that the push rod assembly will not be damaged or broken. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the internal structure of the sleeve of the utility model;

[0012] Figure 3 It is a schematic diagram of the internal structure of the chute of the utility model.

[0013] In the figure: 1, mounting ring; 2, support arm; 3, connecting ring; 4, slide groove; 5, support column; 6, slot; 7, damping buffer assembly; 70, sleeve; 71, damping medium; 72, piston head; 73, piston rod; 74, damping spring; 8, mounting plate; 9, shock absorbing assembly; 90, slide rod; 91, spring; 92, slider. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Embodiment 1:

[0016] See also Figure 1-3The utility model provides a technical solution: a bulldozer push rod assembly, including a support arm 2, a mounting ring 1 is provided at one end of the support arm 2, a connecting ring 3 is provided at the other end of the support arm 2, a support column 5 is slidably connected to the top of the support arm 2, the support column 5 is arranged on the support arm 2 in an inclined shape, a slide groove 4 is provided at the top of the support arm 2, a shock absorbing component 9 is provided in the slide groove 4, a slot 6 is provided on the right arm of the support column 5, a damping buffer component 7 is provided in the slot 6, and the damping buffer component 7 includes a sleeve 70 provided in the slot 6, and the front of the sleeve 70 A rotating shaft is passed through the side wall, and both ends of the rotating shaft are respectively connected to the bearings provided on the front and rear side walls of the support column 5. A piston head 72 is slidably connected in the sleeve 70, a damping medium 71 is provided on the left side of the sleeve 70, and a piston rod 73 is provided on the right side wall of the piston head 72. One end of the piston rod 73 passes through the right side wall of the sleeve 70 and is hinged to the mounting plate 8 provided on the outside. A damping spring 74 is sleeved on the outer wall of the piston rod 73, one end of the damping spring 74 is connected to the right side wall of the sleeve 70, and the other end of the damping spring 74 is connected to the left side wall of the mounting plate 8.

[0017] See also Figure 3 The shock absorbing assembly 9 includes a slide rod 90 provided in the slide groove 4, and the two ends of the slide rod 90 are respectively connected to the left and right side walls of the slide groove 4, a slide block 92 is sleeved on the outer wall of the slide rod 90, a limiting groove is provided at the bottom of the slide groove 4, and a limiting block matching the limiting groove is provided at the bottom of the slide block 92. Under the action of the limiting groove and the limiting block, the slide block 92 moves more stably on the outer wall of the slide rod 90, the top of the slide block 92 is connected to the bottom of the support column 5, and a spring 91 is sleeved on the outer wall of the slide rod 90, one end of the spring 91 is connected to the left side wall of the slide groove 4, and the other end of the spring 91 is connected to the left side wall of the slide block 92.

[0018] Working principle: install the mounting ring 1 on the bulldozer, install the connecting ring 3 on the bulldozer plate, install the mounting plate 8 on the bulldozer plate, the pusher drives the support arm 2 to work, the support arm 2 drives the bulldozer plate to do bulldozing, when the bulldozer plate vibrates, the piston rod 73 and the damping spring 74 are squeezed, the piston rod 73 drives the piston head 72 to squeeze the damping medium 71, thereby playing a damping and buffering role, at the same time, the support column 5 drives the slider 92 to move on the outer wall of the slide rod 90, the slider 92 can squeeze the spring 91, and can further buffer the force generated by the vibration, protecting the push rod assembly from damage or breakage.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A push rod assembly for a bulldozer, comprising a support arm (2), one end of the support arm (2) being provided with a mounting ring (1), and the other end of the support arm (2) being provided with a connecting ring (3), characterized in that: A support column (5) is slidably connected to the top of the support arm (2), a slide groove (4) is provided at the top of the support arm (2), a shock absorbing assembly (9) is provided in the slide groove (4), a slot (6) is provided on the right arm of the support column (5), a damping buffer assembly (7) is provided in the slot (6), the damping buffer assembly (7) comprises a sleeve (70) provided in the slot (6), a rotating shaft is penetrated through the front side wall of the sleeve (70), two ends of the rotating shaft are respectively connected to bearings provided on the front and rear side walls of the support column (5), a piston head (72) is slidably connected in the sleeve (70), a damping medium (71) is provided on the left side of the sleeve (70), a piston rod (73) is provided on the right side wall of the piston head (72), one end of the piston rod (73) penetrates the right side wall of the sleeve (70) and is hinged to the mounting plate (8) provided outside, and a damping spring (74) is sleeved on the outer wall of the piston rod (73).

2. The bulldozer push rod assembly according to claim 1, characterized in that: The shock absorbing assembly (9) comprises a slide rod (90) arranged in the slide groove (4), the two ends of the slide rod (90) are respectively connected to the left and right side walls of the slide groove (4), the outer wall of the slide rod (90) is sleeved with a slider (92), the top of the slider (92) is connected to the bottom of the support column (5), the outer wall of the slide rod (90) is sleeved with a spring (91), one end of the spring (91) is connected to the left side wall of the slide groove (4), and the other end of the spring (91) is connected to the left side wall of the slider (92).

3. The bulldozer push rod assembly according to claim 2, characterized in that: A limiting groove is provided at the bottom of the slide groove (4), and a limiting block matching the limiting groove is provided at the bottom of the slide block (92).

4. The bulldozer push rod assembly according to claim 1, characterized in that: The support column (5) is arranged on the support arm (2) in an inclined manner.

5. The bulldozer push rod assembly according to claim 1, characterized in that: One end of the damping spring (74) is connected to the right side wall of the sleeve (70), and the other end of the damping spring (74) is connected to the left side wall of the mounting plate (8).

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