Angle adjusting mechanism for push shovel of bulldozer

Abstract

The utility model discloses a bulldozer push shovel angle adjusting mechanism, and relates to the technical field of push shovel angle adjustment, the bulldozer push shovel angle adjusting mechanism comprises a push shovel body, a first adjusting assembly, a second adjusting assembly, a protection assembly, a support and a telescopic assembly, the first adjusting assembly is arranged at the bottom of the end of the push shovel body, and the protection assembly is installed at the top of the second adjusting assembly; the protection assembly is used for protecting a top connecting point of the second adjusting assembly, the support is fixed to the end of the protection assembly, and the telescopic assembly is installed at the end of the protection assembly and used for extending of the end of the protection assembly. Through cooperative work of the first adjusting assembly and the second adjusting assembly, multi-degree-of-freedom adjustment of the push shovel body is achieved, different operation requirements are met, the protection assembly covers the top of the second supporting rod, silt and rainwater are effectively prevented from directly invading the connecting position of a pin shaft, clamping and abrasion are reduced, the telescopic assembly can dynamically extend the protection range, and the protection effect is good. And the protection continuity is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to bulldozer push shovel angle adjusting technical field, especially in kind of bulldozer push shovel angle adjusting mechanism. BACKGROUND

[0002] As an important earthwork engineering machinery, bulldozer is widely used in construction, mine, road construction and other fields. The performance of the push shovel, the core working component, directly affects the operation efficiency and construction quality. In actual operation, the push shovel needs to be adjusted at multiple angles according to different working conditions to adapt to different operation requirements.

[0003] The traditional push shovel angle adjusting mechanism usually adopts hydraulic cylinder or mechanical connecting rod structure. In harsh construction environment, mud, rainwater and the like are easy to invade the connecting parts of the adjusting mechanism, especially the pin shaft at the top of the adjusting mechanism. Mud is easy to be stuck on the pin shaft, resulting in lubrication failure, rust or jam, causing the mechanism to jam, wear and tear to be aggravated, and even affecting the normal work of the bulldozer. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of bulldozer push shovel angle adjusting mechanism to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of bulldozer push shovel angle adjusting mechanism, comprising:

[0006] push shovel body;

[0007] first adjusting assembly, the first adjusting assembly is arranged at the bottom of the end of push shovel body;

[0008] second adjusting assembly, the second adjusting assembly is arranged between the end of push shovel body and first adjusting assembly;

[0009] protective assembly, the protective assembly is installed at the top of second adjusting assembly, and the protective assembly is used for the protection of the top connecting point of second adjusting assembly;

[0010] bracket, the bracket is fixed to the end of protective assembly, and the bracket is used for the support of protective assembly;

[0011] telescopic assembly, the telescopic assembly is installed at the end of protective assembly, and the telescopic assembly is used for the extension of the end of protective assembly.

[0012] Preferably, the first adjusting assembly comprises:

[0013] first support rod, the first support rod is rotatably connected with the bottom of push shovel body by pin shaft;

[0014] The first hydraulic telescopic rod is rotatably connected with the middle part of the first supporting rod through a connecting piece.

[0015] Preferably, the second adjusting assembly comprises:

[0016] The second supporting rod is rotatably connected with the top of the push shovel body through a pin shaft.

[0017] The adjusting rod is rotatably connected with one end of the second supporting rod through a pin shaft, and the other end of the adjusting rod is rotatably connected with the middle part of the first supporting rod through a pin shaft.

[0018] The second hydraulic telescopic rod is rotatably connected with the middle part of the adjusting rod through a pin shaft.

[0019] Preferably, the protection assembly comprises:

[0020] The protection plate is arranged above the second supporting rod, a plurality of the supports are fixed on both sides of the end part of the protection plate, the bottom of the support is rotatably connected with the end part pin shaft of the second supporting rod, and the telescopic assembly is arranged at one end of the protection plate.

[0021] The clamping rod is fixed to the lower surface of the protection plate.

[0022] The clamping ball is fixed to the bottom of the clamping rod.

[0023] The connecting hole is arranged in the middle part of the second supporting rod.

[0024] A plurality of the connecting grooves are arranged at one end of the protection plate.

[0025] Preferably, the clamping rod is rotatably connected with the inner cavity of the connecting hole, and the clamping ball is movably embedded in the bottom of the second supporting rod.

[0026] Preferably, the telescopic assembly comprises:

[0027] The connecting pipe plate is rotatably connected with one end of the protection plate.

[0028] The rubber pad is fixed to one end of the connecting pipe plate.

[0029] A plurality of the compression springs are fixed between the inner wall of the connecting pipe plate and one end of the protection plate.

[0030] The positioning rod is sleeved in the inner cavity of the compression spring, one end of the positioning rod is fixedly connected with the inner wall of the connecting pipe plate, and the positioning rod is slidably connected with the inner cavity of the connecting groove.

[0031] The technical effects and advantages of the utility model are as follows:

[0032] The utility model discloses a first adjusting assembly and second adjusting assembly cooperate, through hydraulic drive realizes the push shovel's pitch, tilt and so on multiple freedom degree adjustment, adapts to different operation demand, and the protection assembly covers the second support pole top, effectively blocks the silt, rainwater direct invasion pin shaft joint, reduces the jam and wear, and the telescopic component can dynamic extension protection range, when the push shovel adjustment, automatically adapts structural displacement, ensures the protection continuity. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is the whole structure schematic diagram of the utility model.

[0034] Figure 2 It is the whole side structure schematic diagram of the utility model.

[0035] Figure 3 It is the whole structure schematic diagram of the utility model Figure 2 It is the local amplification structure schematic diagram of A place in the utility model.

[0036] In the drawing: 1, push shovel body;2, first adjusting assembly;21, first support pole;22, first hydraulic telescopic rod;3, second adjusting assembly;31, second support pole;32, adjusting rod;33, second hydraulic telescopic rod;4, protection assembly;41, protection plate;42, clamping rod;43, clamping ball;44, connecting hole;45, connecting groove;5, support;6, telescopic component;61, connecting pipe plate;62, rubber pad;63, compression spring;64, positioning rod. DETAILED DESCRIPTION

[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0038] The utility model provides a kind of push shovel, including push shovel body, first adjusting assembly, second adjusting assembly, protection assembly and telescopic component, first adjusting assembly is connected to push shovel body, second adjusting assembly is connected to push shovel body, protection assembly is connected to push shovel body, telescopic component is connected to push shovel body. Figures 1-3The illustrated bulldozer push shovel angle adjusting mechanism comprises a push shovel body 1, a first adjusting assembly 2, a second adjusting assembly 3, a protection assembly 4, a support 5 and a telescopic assembly 6, the first adjusting assembly 2 is arranged at the bottom of the end of the push shovel body 1, the second adjusting assembly 3 is arranged between the end of the push shovel body 1 and the first adjusting assembly 2, at least two groups of the first adjusting assembly 2 and the second adjusting assembly 3 are arranged on the push shovel body 1, the combination of the first adjusting assembly 2 and the second adjusting assembly 3 is used for angle adjustment of the push shovel body 1, the protection assembly 4 is installed at the top of the second adjusting assembly 3, the protection assembly 4 is used for protection of the top connecting point of the second adjusting assembly 3, the support 5 is fixed at the end of the protection assembly 4, the support 5 is used for support of the protection assembly 4, the telescopic assembly 6 is installed at the end of the protection assembly 4, and the telescopic assembly 6 is used for extension of the end of the protection assembly 4.

[0039] The first adjusting assembly 2 comprises a first support rod 21 and a first hydraulic telescopic rod 22, the first support rod 21 is rotationally connected with the bottom of the push shovel body 1 through a pin shaft, and the first hydraulic telescopic rod 22 is rotationally and penetratingly connected with the middle part of the first support rod 21 through a connecting piece.

[0040] In addition, the second adjusting assembly 3 comprises a second support rod 31, an adjusting rod 32 and a second hydraulic telescopic rod 33, the second support rod 31 is rotationally connected with the top of the push shovel body 1 through a pin shaft, one end of the adjusting rod 32 is rotationally connected with one end of the second support rod 31 through a pin shaft, the other end of the adjusting rod 32 is rotationally connected with the middle part of the first support rod 21 through a pin shaft, the second hydraulic telescopic rod 33 is rotationally connected with the middle part of the adjusting rod 32 through a pin shaft, and the push shovel body 1 can be adjusted at multiple angles through the extension and retraction of the first hydraulic telescopic rod 22 and the second hydraulic telescopic rod 33.

[0041] Further, the protection assembly 4 comprises a protection plate 41, a clamping rod 42, a clamping ball 43, a connecting hole 44 and a connecting groove 45, the protection plate 41 is arranged above the second support rod 31, the arrangement of the protection plate 41 can avoid that dust or rain directly falling on the pin shaft at the end of the second support rod 31, thereby reducing the phenomenon that too much mud and dust on the pin shaft causes the angle adjustment of the push shovel body 1 to be stuck, a plurality of supports 5 are fixed on both sides of the end of the protection plate 41, the bottom of the support 5 is rotationally and penetratingly connected with the pin shaft at the end of the second support rod 31, the protection plate 41 is supported through the support 5, the clamping rod 42 is fixed on the lower surface of the protection plate 41, the clamping ball 43 is fixed on the bottom of the clamping rod 42, the clamping ball 43 is movably embedded in the bottom of the second support rod 31, the connecting hole 44 is formed in the middle part of the second support rod 31, the clamping rod 42 is penetratingly connected with the inner cavity of the connecting hole 44, a plurality of connecting grooves 45 are formed in one end of the protection plate 41, and the clamping rod 42 can only move in a small range in the inner cavity of the connecting hole 44, so that the protection plate 41 can swing in a small range above the second support rod 31, and the angle adjustment of the push shovel body 1 is facilitated.

[0042] Further, the telescopic assembly 6 is arranged at one end of the protection plate 41, the telescopic assembly 6 comprises a connecting pipe plate 61, a rubber pad 62, compression springs 63 and a positioning rod 64, the connecting pipe plate 61 is slidably inserted into one end of the protection plate 41, the rubber pad 62 is fixed to one end of the connecting pipe plate 61, through the arrangement of the rubber pad 62, the end of the connecting pipe plate 61 is prevented from being damaged by colliding with other structures of the bulldozer, the compression springs 63 are fixed between the inner wall of the connecting pipe plate 61 and one end of the protection plate 41, the positioning rod 64 is sleeved in the inner cavity of the compression springs 63, one end of the positioning rod 64 is fixedly connected with the inner wall of the connecting pipe plate 61, the positioning rod 64 is slidably connected with the inner cavity of the connecting groove 45, through the positioning rod 64, the use of the compression springs 63 is stable, and through the elasticity of the compression springs 63, when other components of the bulldozer extrude the connecting pipe plate 61, the connecting pipe plate 61 can prolong the protection distance of the end of the protection plate 41, so that the connecting pipe plate 61 can partially protect the connecting point on the adjusting rod 32, the dust and rain blocking performance is improved, and the service life of the angle adjusting mechanism of the pushing shovel body 1 is improved.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A bulldozer blade angle adjustment mechanism characterized by comprising: The utility model relates to a kind of push shovel, including: Push shovel body (1); First adjusting assembly (2), the first adjusting assembly (2) is set in the bottom of push shovel body (1) end part; Second adjusting assembly (3), the second adjusting assembly (3) is set between push shovel body (1) end part and first adjusting assembly (2); Guard assembly (4), the guard assembly (4) is installed in the top of second adjusting assembly (3), and the guard assembly (4) is used for the protection of second adjusting assembly (3) top connecting point; Support (5), the support (5) is fixed in the end of guard assembly (4), and the support (5) is used for the support of guard assembly (4); Telescopic component (6), the telescopic component (6) is installed in the end of guard assembly (4), and the telescopic component (6) is used for the end extension of guard assembly (4).

2. A bulldozer blade angle adjustment mechanism according to claim 1, wherein The first adjusting assembly (2) includes: First support rod (21), the first support rod (21) is rotatably connected with the bottom of push shovel body (1) by pin shaft; First hydraulic telescopic rod (22), the first hydraulic telescopic rod (22) is rotatably connected with the middle part of first support rod (21) by connecting piece.

3. A bulldozer blade angle adjustment mechanism according to claim 2, wherein The second adjusting assembly (3) includes: Second support rod (31), the second support rod (31) is rotatably connected with the top of push shovel body (1) by pin shaft; Adjusting rod (32), one end of the adjusting rod (32) is rotatably connected with one end of second support rod (31) by pin shaft, and the other end of the adjusting rod (32) is rotatably connected with the middle part of first support rod (21) by pin shaft; Second hydraulic telescopic rod (33), the second hydraulic telescopic rod (33) is rotatably connected with the middle part of adjusting rod (32) by pin shaft.

4. A bulldozer blade angle adjustment mechanism according to claim 3, wherein The guard assembly (4) includes: Guard plate (41), the guard plate (41) is arranged above second support rod (31), and a plurality of supports (5) are fixed on both sides of the end of guard plate (41), the bottom of the support (5) is rotatably connected with the end pin shaft of second support rod (31), and telescopic component (6) is arranged in one end of guard plate (41); Clamping rod (42), the clamping rod (42) is fixed to the lower surface of guard plate (41); Clamping ball (43), the clamping ball (43) is fixed to the bottom of clamping rod (42); Connecting hole (44), the connecting hole (44) is formed in the middle part of second support rod (31); Connecting groove (45), a plurality of connecting grooves (45) are formed in one end of guard plate (41).

5. A bulldozer blade angle adjustment mechanism according to claim 4 wherein, The clamping rod (42) is connected with the inner cavity of connecting hole (44), and the clamping ball (43) is movably embedded in the bottom of second support rod (31).

6. A bulldozer blade angle adjustment mechanism according to claim 4 wherein, The telescopic component (6) includes: Connecting pipe plate (61), the connecting pipe plate (61) is slidably inserted into one end of guard plate (41); Rubber pad (62), the rubber pad (62) is fixed to one end of connecting pipe plate (61); Compression spring (63), a plurality of compression springs (63) are fixed between the inner wall of connecting pipe plate (61) and one end of guard plate (41). A positioning rod (64) is sleeved in the inner cavity of the compression spring (63), one end of the positioning rod (64) is fixedly connected with the inner wall of the connecting pipe plate (61), and the positioning rod (64) is in sliding connection with the inner cavity of the connecting groove (45).

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