CN118273409A - Ditching machine with adjustable get-on level state - Google Patents

Abstract

The invention discloses a ditcher with an adjustable boarding level state, which belongs to the technical field of earthwork machinery and comprises an operating platform, a ditching cutter head and a traveling device, wherein the traveling device comprises a front axle and a rear axle which are connected through a transmission shaft, a front axle swing frame and a rear axle swing frame are respectively arranged on the front axle and the rear axle, and the ditcher also comprises a leveling frame; the adjustable leveling frame is provided with a frame and a leveling assembly, the frame is bridged between the front axle swing frame and the rear axle swing frame, the leveling assembly is provided with a fixed end and a telescopic end, and the fixed end and the telescopic end of the leveling assembly are respectively connected with the rear axle and the frame and used for adjusting the angle between the frame and the running gear; the operation panel is installed in on the frame of rear axle rocker department, when the ditching machine is along the slope operation, leveling component adjusts the frame is to horizontal position, makes the operation panel maintains the horizontality, has ensured operating personnel's travelling comfort and operation accuracy.

Description

Ditching machine with adjustable get-on level state

Technical Field

The invention relates to a ditcher with adjustable boarding level state, belonging to the technical field of earthwork machinery.

Background

At present, most oil gas pipelines, water supply and drainage pipelines and communication power-on pipelines need to be laid on the ground according to domestic energy transformation and environmental transformation requirements. A large number of grooves are required to be excavated and constructed, and the traditional groove excavation adopts modes such as excavator, manual work, blasting and the like, so that the problems of large excavation quantity, low efficiency, high energy consumption, large damage to environmental pollution and the like exist. The trencher can provide more optimized construction technology, and compared with the construction of the trencher, the construction of the trencher can continuously work, the excavation amount is small, the trenching quality is high, and the influence on the surrounding environment is small. And for a hard stratum, the trencher adopts a milling type trenching process, so that the comprehensive power consumption is lower and the efficiency is higher. In particular to the construction of a small-caliber pipeline on the ground, the excavation amount and the ditch forming efficiency are several times that of an excavator, the slag soil backfilling is more convenient, and the comprehensive construction cost is lower.

However, when the conventional trencher is used for a slope operation, the upper carriage and the lower carriage are inclined at the same time, and the comfort and the operation accuracy of an operator in the inclined state are affected, so that it is highly required to design the trencher capable of maintaining the upper carriage in a horizontal state.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides an on-vehicle horizontal state adjustable ditcher, wherein a leveling assembly is arranged between a frame and a rear axle, and an angle between the frame and the rear axle is adjusted through the leveling assembly, so that an operation table arranged above the frame at the rear axle is always in a horizontal state, and the comfort and the operation accuracy of operators are ensured.

In order to achieve the above purpose, the invention is realized by adopting the following technical scheme.

The invention provides an on-vehicle horizontal state adjustable ditcher, which comprises an operating platform, a ditching cutter head and a traveling device, wherein the traveling device comprises a front axle and a rear axle which are connected through a transmission shaft, a front axle swing frame and a rear axle swing frame are respectively arranged on the front axle and the rear axle, the rotation shafts of the front axle swing frame and the rear axle swing frame are coaxial with the transmission shaft, and the ditcher further comprises a leveling frame;

The adjustable leveling frame is provided with a frame and a leveling assembly, the frame is bridged between the front axle swing frame and the rear axle swing frame, the leveling assembly is provided with a fixed end and a telescopic end, and the fixed end and the telescopic end of the leveling assembly are respectively connected with the rear axle and the frame and used for adjusting the angle between the frame and the running gear;

the operating platform is arranged on the frame at the swing frame of the rear axle, and when the ditcher works along a slope, the leveling component adjusts the frame to a horizontal position, so that the operating platform maintains a horizontal state.

Optionally, the rear axles positioned at the two sides of the rear axle swing frame are respectively provided with an oil cylinder hinged support;

the leveling assembly comprises two leveling oil cylinders, two ends of each leveling oil cylinder are respectively connected with the oil cylinder hinged support and a frame end point which is positioned on the same vertical line with the oil cylinder hinged support, and the leveling oil cylinders simultaneously stretch and retract in opposite directions to drive the frame to rotate around a rear axle swing frame rotating shaft.

Optionally, the frame connecting end is connected with a sliding bracket, and the ditching cutter head connecting end is connected with a cutter head bracket;

The sliding support is provided with a hook plate guide rail, the cutter head support is provided with a hook plate, the hook plate guide rail extends along the length direction of the sliding support, the hook plate extends along the length direction of the cutter head support, and the hook plate is suitable for sliding on the hook plate guide rail;

and a sliding oil cylinder is also connected between the sliding support and the cutter disc support, and the sliding oil cylinder stretches and contracts to drive the ditching cutter disc to move left and right relative to the travelling device.

Optionally, the hook plate guide rail and the hook plate are respectively arranged at the bottom ends of the sliding support and the cutterhead support, and the top ends of the sliding support and the cutterhead support are respectively provided with a cylindrical guide rail and a guide rail sleeve;

The cylindrical guide rail extends along the length direction of the sliding support, the guide rail sleeve extends along the length direction of the cutterhead support, and the guide rail sleeve is suitable for sliding and rotating on the outer ring of the cylindrical guide rail.

Optionally, the ditching cutter head outer cover is provided with a soil-proof cover with a semicircular accommodating cavity section;

the soil-proof cover is provided with a cover body and a supporting beam, one end of the supporting beam is connected to the cover body and the rotary shaft of the ditching cutterhead, and the other end of the supporting beam is connected with the cutterhead support.

Optionally, the sliding bracket is further provided with a pair of connecting lug plates, and the connecting end of the frame is fixed between the connecting lug plates;

The cutter head support is also provided with a pair of hinge point lug plates and a pair of amplitude variation lug plates, the hinge point lug plates are connected with the guide rail sleeve, the amplitude variation lug plates are connected with the hook plates, and the other ends of the supporting beams are rotatably connected between the hinge point lug plates;

the soil-guard cover is also provided with an oil cylinder lug plate, an amplitude variation oil cylinder is connected between the amplitude variation lug plate and the oil cylinder lug plate, the fixed end of the amplitude variation oil cylinder is fixed between the amplitude variation lug plates, and the telescopic end of the amplitude variation oil cylinder is fixed between the oil cylinder lug plates.

Optionally, the trencher further comprises an electronically controlled hydraulic system;

The electrically controlled hydraulic system is configured to: controlling the leveling oil cylinder to stretch out and draw back while climbing a slope of the ditcher so as to keep the operating platform in a horizontal state; and when the ditching cutterhead works, the sliding oil cylinder and the amplitude varying oil cylinder are controlled to stretch and retract, and the ditching cutterhead is adjusted to a position required by the operation.

Optionally, the ditching blade disc includes the blade disc body and sets up in the cutting module of blade disc body outer lane, the cutting module is removable in order to adapt to different ditching width requirements.

Compared with the prior art, the invention has the beneficial effects that:

1. The leveling assembly is arranged between the frame and the rear axle, and the angle between the frame and the rear axle is adjusted through the leveling assembly, so that an operation table arranged above the frame at the rear axle is always in a horizontal state, and the comfort and the operation accuracy of operators are ensured;

2. The sliding pair formed by the hook plate guide rail and the hook plate and the sliding oil cylinder are connected with the sliding bracket and the cutter disc bracket, and the sliding bracket and the cutter disc bracket are driven to relatively slide by the expansion and contraction of the sliding oil cylinder, so that the ditching cutter disc is deviated left and right relative to the vehicle body, and the working condition adaptability can be increased;

3. the support beam is driven to do pitching motion by a rotating pair formed by a cylindrical guide rail and a guide rail sleeve, and the soil-proof cover and a ditching cutter head arranged in the soil-proof cover are lifted in the vertical direction by combining the expansion of an amplitude-variable oil cylinder, so that the support beam can adapt to different ditching depths;

4. The ditching cutter head with the replaceable cutting module is designed, so that the ditching cutter head can adapt to different ditching widths.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a trencher with adjustable boarding level in one embodiment of the present invention;

FIG. 2 is a schematic view of a walking device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a front axle frame according to an embodiment of the present invention;

FIG. 4 is a schematic view of a rear axle frame according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the assembly of a sliding support and a cutterhead support in an embodiment of the present invention;

FIG. 6 is a schematic side view of an assembly of a sliding support and a cutterhead support in accordance with one embodiment of the present invention;

FIG. 7 is a schematic view of a cutter head and a soil guard according to an embodiment of the present invention;

FIG. 8 is a schematic view showing the assembly of the soil guard and the cutterhead support in an embodiment of the present invention;

fig. 9 is a schematic diagram of an operation table according to an embodiment of the present invention.

In the figure: 1. a cable drum; 2. a counterweight; 3. a heat sink; 4. an engine; 5. a hydraulic oil tank; 6. a controller; 7. sunshade shed; 8. an operation table; 81. a steering wheel; 82. a pedal; 83. a display screen; 84. a seat; 85. a handrail box; 9. a ditching cutter head; 91. a cutter head body; 92. a cutting module; 10. a soil-proof cover; 101. a slag discharge port; 102. a support beam; 103. an oil cylinder ear plate; 104. a motor; 105. a luffing cylinder; 11. a cutterhead bracket; 111. a guide rail sleeve; 112. hinging an ear plate; 113. amplitude-variable ear plate; 114. a hook plate; 115. a sliding oil cylinder; 12. a sliding bracket; 121. connecting an ear plate; 122. a cylindrical guide rail; 123. a hook plate guide rail; 13. an electrically controlled hydraulic valve; 14. a fuel tank; 15. a hydraulic pump; 16. a walking device; 161. a tire; 162. a rim; 163. a front axle; 1631. front axle swing frame; 164. a transmission shaft; 165. a hydraulic motor; 166. a rear axle; 1661. a rear axle swing frame; 1662. the oil cylinder is hinged to the base; 167. a transfer case; 17. a frame; 171. leveling oil cylinders; 18. backfilling the shovel; 19. a hood.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

Example 1

The embodiment provides a get-on horizontal adjustable ditcher, which comprises an operating platform 8, a ditching cutter head 9 and a traveling device 16, wherein the traveling device 16 comprises a front axle 163 and a rear axle 166 which are connected through a transmission shaft 164, a front axle swing frame 1631 and a rear axle swing frame 1661 are respectively arranged on the front axle 163 and the rear axle 166, the rotation shafts of the front axle swing frame 1631 and the rear axle swing frame 1661 are coaxial with the transmission shaft 164, and the ditcher further comprises a leveleable frame;

The adjustable leveling frame is provided with a frame 17 and a leveling component, the frame is bridged between the front axle swing frame 1631 and the rear axle swing frame 1661, the leveling component is provided with a fixed end and a telescopic end, and the fixed end and the telescopic end of the leveling component are respectively connected with the rear axle 166 and the frame 17 and are used for adjusting the angle between the frame 17 and the running gear 16;

The console 8 is mounted on a carriage 17 at the rear axle swing frame 1661, and when the trencher is operated along a slope, the leveling assembly adjusts the carriage 17 to a horizontal position so that the console 8 maintains a horizontal state.

Example 2

On the basis of embodiment 1, this embodiment also makes the following design.

As shown in fig. 1, in the ditcher with adjustable get-on level state, a cable drum 1 and a counterweight 2 are connected to the front end of a frame 17 through bolts, a backfill shovel 18 is connected to the front end below the frame 17 through bolts, a radiator 3, an engine 4 and a hydraulic oil tank 5 are arranged above the frame 17, a hood 19 is arranged above the frame 17 for protecting an engine system, an operating platform 8 is arranged at the rear part above the frame 17, and a sunshade 7 is arranged above the operating platform 8.

As shown in FIG. 2, the running gear of the on-board horizontal state adjustable trencher provided by the invention comprises a tire 161, a rim 162, a front axle 163, a transmission shaft 164, a hydraulic motor 165, a rear axle 166, a transfer case 167 and the like. The tires 161 and the rims 162 are standard components and are connected with the axle spokes through bolts, so that the tires with different widths can be replaced according to the stratum hardness, the ground specific pressure is reduced, and the adaptability is improved. The front axle 163 and the rear axle 166 are in transmission connection through the transmission shaft 164, and the front axle and the rear axle mechanically walk synchronously. A transfer case 167 is secured to the rear axle 166 and a hydraulic motor 165 is mounted to the transfer case 167 at the input port. Transfer case 167 may output power input by hydraulic motor 165 to front axle 163, rear axle 166. The controller 6 controls the electric control hydraulic valve 13 to regulate the displacement of the hydraulic pump 15 of the travelling device according to the pump electricity proportion, so that the travelling speed of the travelling device 16 is not required to be limited to a fixed gear, any different speed requirements during the transition and ditching operation are met, and the micro-control performance of the operation of the ditcher is improved.

As shown in fig. 3, the front axle 163 is a conventional device, and has functions of hydraulic steering, hydraulic service braking, hydraulic parking braking, swing frame rotation, and the like. Front axle 163 is provided with a front axle carriage 1631, and front axle carriage 1631 is concentric with the axis of drive shaft 164 and rotatable about the axis. As shown in fig. 4, the rear axle 166 has functions of hydraulic steering, hydraulic service braking, swing frame rotation, and the like. The rear axle 166 is provided with an oil cylinder hinged support 1662 and a rear axle swing frame 1661, and the rear axle swing frame 1661 is concentric with the axis of the transmission shaft 164 and is rotatable about the axis.

As shown in fig. 4, the present invention provides a principle of adjusting the get-on horizontal state of a trencher with adjustable get-on horizontal state. The specific form of the connection method of the traveling device 16 and the frame 17 through the bolts and the adjusting oil cylinder is as follows: the carriage 17 is bolted to a swing frame 1661 provided on the rear axle 166. The frame 17 is connected with an oil cylinder hinged support 1662 arranged on the rear axle 166 through a leveling oil cylinder 171. The leveling cylinder 171 is connected with the cylinder hinged support 1662 and the frame 17 through a pin shaft. The leveling cylinders 171 are symmetrically distributed relative to the frame 17. The left and right leveling cylinders 171 are simultaneously telescopic and opposite in direction, and the carriage 17 is rotatable about the carriage axis by a certain angle. When the leveling device is used for constructing a slope, the controller 6 controls the leveling oil cylinder 171 to stretch out and draw back, the relative angle between the frame 17 and the traveling device 16 is adjustable, the operation table 8 connected with the frame 17 can be always in a horizontal state, and the comfort of operators is improved.

As shown in fig. 5 and 6, the cutter head sliding structure of the on-board horizontal state adjustable trencher provided by the invention. The sliding bracket 12 is connected with the frame 17 through bolts in a fitting mode. The sliding support 12 is connected with the cutterhead support 11 through two kinematic pairs: a pair of rotation formed by the cylindrical guide rail 122 and the guide rail sleeve 111, and a pair of sliding formed by the hook plate guide rail 123 and the hook plate 114. The two ends of the sliding oil cylinder 115 are respectively connected with the sliding support 12 and the cutter head support 11, and the controller 6 controls the sliding oil cylinder 115 to stretch and retract to drive the sliding support 12 and the cutter head support 11 to move in a sliding manner, so that the ditching cutter head 9 is deviated left and right relative to the travelling device 16, and the working condition adaptability is improved.

As shown in fig. 7 and 8, the present invention provides a cutter head amplitude structure of a get-on horizontal state adjustable trencher. The ditching cutter head 9 is arranged in the accommodating cavity of the soil-proof cover 10, the outer wall of the soil-proof cover is provided with a supporting beam 102, and the supporting beam 102 is connected with the hinge point lug plate 112 through a pin shaft and can rotate relatively. The oil cylinder lug plate 103 is connected with the amplitude variation lug plate 113 through the amplitude variation oil cylinder 105. The controller 6 controls the amplitude variation oil cylinder 105 to stretch and retract to drive the soil-guard 10 and the ditching cutter head 9 to lift in the vertical direction, so that the ditching machine is suitable for different ditching depths.

As shown in fig. 7, the ditching cutter head 9 comprises a cutter head body 91 and a cutting module 92, wherein the cutting module 92 is connected with the cutter head body 91 through bolt assembly, and the cutting module 92 can be replaced to adapt to different ditching width requirements.

As shown in FIG. 9, the present invention provides a distribution of operator's station components of an on-board, level-adjustable trencher. The console 8 includes main parts such as a steering wheel 81, a step 82, a display 83, a seat 84, an armrest box 85, and the like. The armrest boxes 85 are provided on both sides of the seat 84, and the display screen 83 is provided in front of the right of the seat 84. The steering wheel 81 is disposed right in front of the seat 84, and the pedal 82 is disposed right in front of the seat. The armrest box is provided with operation input keys of the trencher such as a rocker switch, a handle and the like. The seat 84 is mounted on the frame 17 and is rotatable in a horizontal plane to facilitate operator observation of the rear construction condition.

The ditcher with adjustable the horizontal state of getting on the vehicle that accomplishes from this can satisfy the travelling comfort of being under construction on the slope to can satisfy the requirement of different ditching width, different ditching degree of depth, different ditching speed. The backfill shovel, the reel bracket and the like can also finish integrated operations such as residue soil backfill, cable laying and the like.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are all within the protection of the present invention.

Claims (8)

1. The utility model provides a ditching machine with adjustable horizontal state of getting on bus, includes operation panel (8), ditching blade disc (9) and running gear (16), running gear (16) are including front axle (163) and rear axle (166) that are connected through transmission shaft (164), be provided with front axle rocker (1631) and rear axle rocker (1661) on front axle (163) and rear axle (166) respectively, the rotation axis of front axle rocker (1631) and rear axle rocker (1661) with transmission shaft (164) are coaxial, its characterized in that, ditching machine still includes levelling frame (17);

The adjustable leveling frame (17) is provided with a frame (17) and a leveling component, the frame (17) is bridged between the front axle swing frame (1631) and the rear axle swing frame (1661), the leveling component is provided with a fixed end and a telescopic end, and the fixed end and the telescopic end of the leveling component are respectively connected with the rear axle (166) and the frame (17) and are used for adjusting the angle between the frame (17) and the walking device (16);

The operating platform (8) is arranged on a frame (17) at the rear axle swing frame (1661), and when the trencher works along a slope, the leveling component adjusts the frame (17) to a horizontal position, so that the operating platform (8) maintains a horizontal state.

2. The get-on horizontal state adjustable trencher of claim 1 wherein rear axles (166) located on both sides of the rear axle swing frame (1661) are respectively provided with an oil cylinder hinge support (1662);

The leveling assembly comprises two leveling oil cylinders (171), two ends of each leveling oil cylinder (171) are respectively connected with the corresponding oil cylinder hinged support (1662) and the end point of the corresponding frame (17) which is located on the same vertical line with the corresponding oil cylinder hinged support (1662), and the leveling oil cylinders (171) stretch and retract in opposite directions at the same time to drive the corresponding frame (17) to rotate around the rotating shaft of the rear axle swing frame (1661).

3. The get-on horizontal state adjustable trencher of claim 2, wherein the connecting end of the frame (17) is connected with a sliding bracket (12), and the connecting end of the trenching cutterhead (9) is connected with a cutterhead bracket (11);

The sliding support (12) is provided with a hook plate guide rail (123), the cutter head support (11) is provided with a hook plate (114), the hook plate guide rail (123) extends along the length direction of the sliding support (12), the hook plate (114) extends along the length direction of the cutter head support (11), and the hook plate (114) is suitable for sliding on the hook plate guide rail (123);

A sliding oil cylinder (115) is further connected between the sliding support (12) and the cutter head support (11), and the sliding oil cylinder (115) stretches and contracts to drive the ditching cutter head (9) to move left and right relative to the travelling device (16).

4. The get-on horizontal adjustable trencher of claim 3 wherein the hook plate guide rail (123) and the hook plate (114) are respectively disposed at bottom ends of the sliding support (12) and the cutterhead support (11), and top ends of the sliding support (12) and the cutterhead support (11) are respectively provided with a cylindrical guide rail (122) and a guide rail sleeve (111);

The cylindrical guide rail (122) extends along the length direction of the sliding support (12), the guide rail sleeve (111) extends along the length direction of the cutterhead support (11), and the guide rail sleeve (111) is suitable for sliding and rotating on the outer ring of the cylindrical guide rail (122).

5. The adjustable boarding level trencher of claim 4 wherein the housing of the trenching blade (9) is provided with a soil guard (10) having a semi-circular cross section of the receiving cavity;

the soil-proof cover (10) is provided with a cover body and a supporting beam (102), one end of the supporting beam (102) is connected to the cover body and the rotating shaft of the ditching cutter head (9), and the other end of the supporting beam is connected with the cutter head support (11).

6. The adjustable boarding level trencher of claim 5 wherein the sliding bracket (12) further has a pair of attachment lugs (121) thereon, the frame (17) attachment ends being secured between the attachment lugs (121);

The cutter head support (11) is also provided with a pair of hinge point lug plates (112) and a pair of amplitude variation lug plates (113), the hinge point lug plates (112) are connected with the guide rail sleeve (111), the amplitude variation lug plates (113) are connected with the hook plates, and the other ends of the supporting beams (102) are rotatably connected between the hinge point lug plates (112);

The soil-proof cover (10) is further provided with oil cylinder lug plates (103), an amplitude-variable oil cylinder (105) is connected between the amplitude-variable lug plates (113) and the oil cylinder lug plates (103), the fixed end of the amplitude-variable oil cylinder (105) is fixed between the amplitude-variable lug plates (113), and the telescopic end of the amplitude-variable oil cylinder (105) is fixed between the oil cylinder lug plates (103).

7. The adjustable entry level trencher of claim 6 further comprising an electronically controlled hydraulic system;

The electrically controlled hydraulic system is configured to: controlling the leveling oil cylinder (171) to stretch and retract while climbing a slope of the ditcher so as to keep the operating platform (8) in a horizontal state; and controlling the extension and retraction of the sliding oil cylinder (115) and the amplitude varying oil cylinder (105) according to the ditching operation requirement, and adjusting the ditching cutter head (9) to the position required by the operation.

8. The adjustable loading level trencher of any of claims 1-7 wherein the trenching cutterhead (9) comprises a cutterhead body (91) and a cutting module (92) disposed on an outer periphery of the cutterhead body (91), the cutting module (92) being replaceable to accommodate different trenching width requirements.