CN216545589U

CN216545589U - Excavator track supporting wheel

Info

Publication number: CN216545589U
Application number: CN202122674099.1U
Authority: CN
Inventors: 张龙; 袁玮; 吴剑; 贵逢涛; 王耀; 张博
Original assignee: China Railway Southwest Research Institute Co Ltd
Current assignee: China Railway Southwest Research Institute Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-17
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to the technical field of engineering machinery, and particularly discloses an excavator track supporting wheel which comprises a walking frame, wherein a wheel pair is rotatably arranged on the walking frame and comprises an axle and two wheels, the two wheels are arranged at two ends of the axle, a driving device is arranged on the walking frame, the output end of the driving device is connected with the axle, two connecting support plates are arranged on the walking frame and used for connecting the walking frame to an excavator, a driving hydraulic cylinder is further arranged on the walking frame, and the output end of the driving hydraulic cylinder is hinged with the walking frame. The hydraulic driving device has the advantages that the hydraulic driving device can be installed on engineering machinery such as an excavator and the like, when the excavator needs to enter a railway tunnel to work, the hydraulic driving cylinder can be driven to put down the rail supporting wheels to be matched with rails in the tunnel, the rail supporting wheels can move along the rails on the rails, the driving device is arranged on the traveling frame to provide power for the rail supporting wheels, the excavator can be driven to move along the rails, and the excavator is convenient to construct.

Description

Excavator track supporting wheel

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a track supporting wheel of an excavator.

Background

According to the construction process of renovating the water leakage defect of the tunnel, the main construction equipment involved in the renovation work comprises drilling equipment, a chiseling machine, grouting equipment, concrete cutting equipment and the like. At present, professional equipment applied to tunnel water leakage regulation at home and abroad is few, the functions are single, and no multifunctional manipulator applied to tunnel water leakage regulation exists, and the mode of manual drilling is mostly adopted. Because the 'skylight' of the existing railway tunnel is limited in time and relatively narrow in working space, common machines such as an excavator and the like are inconvenient to run in the tunnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an excavator track supporting wheel.

The purpose of the utility model is realized by the following technical scheme: the utility model provides an excavator track supporting wheel, includes the walking frame, it is provided with a wheel pair to rotate on the walking frame, the wheel pair includes axletree and two wheels, two the wheel sets up the both ends at the axletree, be provided with drive arrangement on the walking frame, drive arrangement's output and axletree are connected, be provided with two on the walking frame and connect the extension board and be used for connecting the walking frame on digging the machine, still be provided with a drive hydraulic cylinder on the walking frame, drive hydraulic cylinder output is articulated with the walking frame.

Specifically, the walking frame on be provided with an install bin, drive arrangement includes hydraulic motor, input shaft, input gear and output gear, hydraulic motor fix on the install bin, the input shaft rotates and sets up in the install bin, and the one end of input shaft is connected with hydraulic motor's output, input gear sets up on the input shaft, output gear sets up on the axletree, input gear and output gear meshing.

Specifically, input gear rotate the cover establish on the input shaft, the slip cap is equipped with a separation and reunion axle sleeve on the input shaft, be provided with many beads along axial circumference array on the input shaft, the hole of separation and reunion axle sleeve in be provided with along axial circumference array with the spout that the bead matches, the separation and reunion axle sleeve passes through the spout and slides with the bead cooperation and set up on the input shaft, circumference array is provided with a plurality of draw-in grooves on the terminal surface of input gear, circumference array is provided with a plurality of and draw-in groove complex latch on the terminal surface of the relative one end of separation and reunion axle sleeve and input gear, it drives the separation and reunion axle sleeve and makes latch and draw-in groove separation and reunion along input shaft axial displacement to be provided with actuating mechanism on the install bin.

Specifically, the driving mechanism comprises a sliding rod and a sliding block, the sliding rod is fixedly arranged in the installation box and is parallel to the input shaft, the sliding block is arranged on the sliding rod in a sliding way, the sliding block is fixedly arranged on the clutch shaft sleeve, the mounting box is rotatably provided with a rotating shaft, the two ends of the rotating shaft are respectively connected with a short rocker arm and a long rocker arm, the sliding block is provided with a sliding groove, a short shaft is arranged at one end of the short rocker arm far away from the end connected with the rotating shaft and is arranged in the sliding groove to be in sliding fit with the sliding groove, the long rocker arm is positioned outside the installation box, a gear plate is arranged on the installation box, two blind holes are arranged on the gear plate, the middle part of the long rocker arm is provided with a threaded hole, a bolt is connected in the threaded hole in a threaded manner, and the blind hole and the bolt are both arranged on the same circumference with the rotating shaft as the circle center.

Specifically, the input shaft is sleeved with a spring, one end of the spring abuts against the clutch shaft sleeve, and the other end of the spring abuts against the installation box.

The utility model has the following advantages:

1. the utility model provides a track supporting wheel which can be installed on engineering machinery such as an excavator and the like, when the excavator needs to enter a railway tunnel to work, a driving hydraulic cylinder can be driven to put down the track supporting wheel to be matched with a rail in the tunnel, the track supporting wheel can move along the rail on the rail, the excavator can be driven to move along the rail by providing a driving device on a walking frame to provide power for the track supporting wheel, and the excavator is convenient to construct.

Drawings

FIG. 1 is a schematic view of the overall construction of a track support wheel of the present invention;

FIG. 2 is a schematic view of the driving device of the present invention;

FIG. 3 is a schematic view of an input shaft configuration of the present invention;

FIG. 4 is a schematic view of the clutch sleeve structure of the present invention;

FIG. 5 is a schematic view of the input gear configuration of the present invention;

FIG. 6 is a schematic view of the driving mechanism of the present invention;

in the figure: 1-walking frame, 2-connecting support plate, 3-driving hydraulic cylinder, 4-wheel, 5-axle, 6-installation box, 7-hydraulic motor, 8-input shaft, 9-input gear, 10-output gear, 11-clutch shaft sleeve, 12-rib, 13-sliding groove, 14-latch, 15-clamping groove, 16-sliding rod, 17-sliding block, 18-rotating shaft, 19-short rocker arm, 20-long rocker arm, 21-sliding groove, 22-gear plate, 23-blind hole, 24-bolt and 25-spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-6, an excavator track supporting wheel comprises a walking frame 1, a wheel set is arranged on the walking frame 1 in a rotating mode, the wheel set comprises an axle 5 and two wheels 4, the wheels 4 are arranged at two ends of the axle 5, a driving device is arranged on the walking frame 1, the output end of the driving device is connected with the axle 5, two connecting support plates 2 are arranged on the walking frame 1 and used for connecting the walking frame 1 to an excavator, a driving hydraulic cylinder 3 is further arranged on the walking frame 1, and the output end of the driving hydraulic cylinder 3 is hinged to the walking frame 1. The track supporting wheel of the embodiment is installed on engineering machinery such as an excavator and the like for use, the excavator is usually moved through the track wheel, but the track wheel moving mode in a special area is inconvenient, for example, in a tunnel of a railway, when the tunnel of the railway needs maintenance, the machinery such as the excavator and the like needs to enter the tunnel for construction, and a rail is laid on the bottom surface in the tunnel, so that the excavator is inconvenient to move on the terrain, therefore, the embodiment provides a solution, the track supporting wheel of the embodiment is respectively installed on the front side and the rear side of the excavator, the track supporting wheel is provided with a wheel pair, two wheels 4 of the wheel pair can be matched with two rails respectively, the excavator is guided to move along the rail through the matching of the wheel pair and the rail, so that the excavator can conveniently move in the tunnel, when the excavator is installed, the track supporting wheel is installed on the excavator through the two connecting support plates 2, the two connecting support plates 2 are hinged with an excavator, a cylinder body of a driving hydraulic cylinder 3 is hinged with the excavator, when the excavator runs in a conventional area, the driving hydraulic cylinder 3 is driven to fold up a track support wheel to avoid interference with the ground, two wheels 4 of the wheel pair have a certain height from the ground, when the excavator enters the area of a tunnel, the driving hydraulic cylinder 3 is driven to work to drive the walking frame 1 and the connecting support plates 2 to move around a hinged point of the connecting support plates 2 and the excavator, so that the track support wheel can be put down, the excavator is integrally supported by the track support wheels in front of and behind the excavator, a driving device is arranged on the walking frame 1, an axle 5 is driven to rotate by the driving device, the axle 5 is rotatably connected with the walking frame 1 through a bearing assembly, the axle 5 can drive the two wheels 4 to rotate, and the excavator can move along a rail in the tunnel by the movement of the wheels 4 along the rail, through the arrangement, the excavator can adapt to the environment in the tunnel, and the movement is more convenient.

Further, walking frame 1 on be provided with an install bin 6, drive arrangement includes hydraulic motor 7, input shaft 8, input gear 9 and output gear 10, hydraulic motor 7 fix on install bin 6, input shaft 8 rotates and sets up in install bin 6, and the one end of input shaft 8 is connected with hydraulic motor 7's output, input gear 9 sets up on input shaft 8, output gear 10 sets up on axletree 5, input gear 9 and output gear 10 meshing. In this embodiment, the driving device adopts the hydraulic motor 7 as a power source, the excavator is provided with a hydraulic system, the original hydraulic system is used for supplying oil to the hydraulic motor 7 in the embodiment, the output end of the hydraulic motor is fixedly connected with the input shaft 8, two ends of the input shaft 8 are rotatably connected with the mounting box 6 through bearing assemblies, the input shaft 8 is provided with the input gear 9, the output gear 10 is arranged on the axle 5, the input gear 9 is meshed with the output gear 10, the input gear 9 is fixed on the input shaft 8 in the embodiment, the input shaft 8 is driven by the hydraulic motor 7 to rotate, power is transmitted to the input gear 9, and then the output gear 10 is driven by the input gear 9 to rotate, so that the axle 5 can drive the wheels 4 to move on rails.

Further, input gear 9 rotate the cover and establish on input shaft 8, slip cap is equipped with a separation and reunion axle sleeve 11 on the input shaft 8, be provided with many beads 12 along axial circumference array on the input shaft 8, the hole of separation and reunion axle sleeve 11 in be provided with along axial circumference array with the spout 13 that bead 12 matches, separation and reunion axle sleeve 11 passes through

spout

13 and 12 cooperation slip settings of bead on input shaft 8, circumference array is provided with a plurality of draw-in grooves 15 on the terminal surface of input gear 9, circumference array is provided with a plurality of and draw-in groove 15 complex latch 14 on the terminal surface of the relative one end of separation and reunion axle sleeve 11 and input gear 9, it drives separation and reunion axle sleeve 11 and makes latch 14 and draw-in groove 15 separation and reunion along 8 axial displacement of input shaft to be provided with actuating mechanism on the install bin 6. In this embodiment, a clutch mechanism is disposed between the input shaft 8 and the input gear 9, which can control the power output of the hydraulic motor 7, the input shaft 8 and the input gear 9 can rotate relatively, a rib 12 is disposed on the input shaft 8 along the axial direction, a sliding slot 13 of an inner hole of the clutch shaft sleeve 11 is matched with the rib 12 to limit the circumferential rotation of the clutch shaft sleeve 11 and the input shaft 8, the clutch shaft sleeve 11 can move along the axial direction of the input shaft 8, a slot 15 is disposed on the end surface of the input gear 9, a latch 14 is disposed on the end surface of the clutch shaft sleeve 11, the drive mechanism drives the clutch shaft sleeve 11 to move along the input shaft 8 to match the latch 14 with the slot 15, the input shaft 8 can transmit the power to the input gear 9 through the clutch shaft sleeve 11, the drive mechanism drives the clutch shaft sleeve 11 to move to separate the latch 14 from the slot 15, and then disconnects the power of the input shaft 8 from the input gear 9, so that the power of the input shaft 8 cannot be transmitted to the input gear 9.

Further, the driving mechanism comprises a slide rod 16 and a slide block 17, the slide rod 16 is fixedly arranged in the installation box 6 and is parallel to the input shaft 8, the slide block 17 is slidably arranged on the slide rod 16, the slide block 17 is fixedly arranged on the clutch shaft sleeve 11, a rotating shaft 18 is rotatably arranged on the installation box 6, two ends of the rotating shaft 18 are respectively connected with a short rocker arm 19 and a long rocker arm 20, a sliding groove 21 is arranged on the slide block 17, a short shaft is arranged at one end, far away from the end connected with the rotating shaft 18, of the short rocker arm 19, the short shaft is arranged in the sliding groove 21 and is in sliding fit with the sliding groove 21, the long rocker arm 20 is positioned outside the installation box 6, a gear plate 22 is arranged on the installation box 6, two blind holes 23 are formed in the gear plate 22, a threaded hole is formed in the middle of the long rocker arm 20, and a bolt 24 is connected to the threaded hole, the two blind holes 23 and the bolt 24 are all arranged on the same circumference with the rotating shaft 18 as the center. The driving mechanism in this embodiment is used for driving the clutch shaft sleeve 11 to move along the input shaft 8, the gear plate 22 is fixed outside the installation box 6, the rotating shaft 18 penetrates through the installation box 6 and is rotatably connected with the installation box 6, two ends of the rotating shaft 18 are respectively located inside and outside the installation box 6, the short rocker arm 19 is located inside the installation box 6, one end of the short rocker arm 19 is fixedly connected with the rotating shaft 18, the other end of the short rocker arm 19 is connected with a short shaft, the short shaft is arranged inside the sliding groove 21 and can be in sliding fit with the sliding groove 21, one end of the rotating shaft 18 located outside the installation box 6 is connected with a long rocker arm 20, the other end of the long rocker arm 20 is provided with a handle, when the clutch is performed, the handle is manually moved to enable the long rocker arm 20 to drive the rotating shaft 18 to rotate, then the rotating shaft 18 can drive the short rocker arm 19 to rotate, when the short rocker arm 19 rotates, the short shaft slides in the sliding groove 21, at this time, the short rocker arm 19 can drive the sliding block 17 to move along the axial direction of the sliding rod 16, the slide block 17 drives the clutch shaft sleeve 11 to move axially along the input shaft 8 to realize the clutch with the input gear 9, after the clutch state is determined, the bolt 24 is screwed, one end of the bolt 24 is placed in one of the blind holes 23, the position of the clutch shaft sleeve 11 is limited, the position of the blind hole 23 is arranged at the relative position of the clutch state of the clutch shaft sleeve 11, when the equipment is in failure in the tunnel, the long rocker arm 20 is rotated by being moved to drive the short rocker arm 19 to swing, so that the sliding block 17 moves along the sliding rod 16 in the direction away from the input gear 9, thereby driving the clutch shaft sleeve 11 to slide along the input shaft 8 and far away from the input gear 9, finally realizing the disengagement of the clutch shaft sleeve 11 and the input gear 9 to realize the neutral position state of the device, and then the equipment can be moved out of the tunnel by adopting a manual pushing or standby equipment dragging mode, and the equipment can be ensured to reliably enter a neutral position state to the maximum extent by adopting manual moving control when various faults occur.

Furthermore, the input shaft 8 is sleeved with a spring 25, one end of the spring 25 abuts against the clutch sleeve 11, and the other end of the spring 25 abuts against the installation box 6. In the embodiment, the input shaft 8 is sleeved with the spring 25, the clutch shaft sleeve 11 is pre-stressed by the spring 25, and the spring 25 is in a compressed state in the connection and disconnection states of the clutch shaft sleeve 11 and the input gear 9, so that the connection is more stable under the elastic force action of the spring 25 when the clutch shaft sleeve 11 is in power connection with the input gear 9.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are all within the protection scope of the present invention, unless the content of the technical scheme of the present invention is departed from.

Claims

1. The utility model provides an excavator track supporting wheel which characterized in that: including walking frame (1), it is provided with a wheel pair to rotate on walking frame (1), the wheel pair includes axletree (5) and two wheels (4), two wheel (4) set up the both ends in axletree (5), be provided with drive arrangement on walking frame (1), drive arrangement's output is connected with axletree (5), it connects extension board (2) and is used for connecting walking frame (1) on digging machine to be provided with two on walking frame (1), still be provided with a driving hydraulic cylinder (3) on walking frame (1), driving hydraulic cylinder (3) output is articulated with walking frame (1).

2. The excavator rail support wheel of claim 1, wherein: walking frame (1) on be provided with an install bin (6), drive arrangement include hydraulic motor (7), input shaft (8), input gear (9) and output gear (10), hydraulic motor (7) fix on install bin (6), input shaft (8) are rotated and are set up in install bin (6), and the one end of input shaft (8) is connected with the output of hydraulic motor (7), input gear (9) set up on input shaft (8), output gear (10) set up on axletree (5), input gear (9) and output gear (10) meshing.

3. The excavator rail support wheel of claim 2, wherein: the input gear (9) is rotatably sleeved on the input shaft (8), the input shaft (8) is slidably sleeved with a clutch shaft sleeve (11), a plurality of convex ribs (12) are arranged on the input shaft (8) along the axial circumferential array, the inner hole of the clutch shaft sleeve (11) is internally provided with sliding chutes (13) matched with the convex ribs (12) along the axial circumferential array, the clutch shaft sleeve (11) is matched with the convex rib (12) through a sliding groove (13) and is arranged on the input shaft (8) in a sliding manner, a plurality of clamping grooves (15) are circumferentially arranged on the end surface of the input gear (9), a plurality of clamping teeth (14) matched with the clamping grooves (15) are arranged on the end surface of one end of the clutch shaft sleeve (11) opposite to the input gear (9) in a circumferential array manner, the mounting box (6) is provided with a driving mechanism which drives the clutch shaft sleeve (11) to move axially along the input shaft (8) so as to enable the latch (14) to be in clutch with the clamping groove (15).

4. The excavator rail support wheel of claim 3, wherein: the driving mechanism comprises a sliding rod (16) and a sliding block (17), the sliding rod (16) is fixedly arranged in the installation box (6) and is parallel to the input shaft (8), the sliding block (17) is arranged on the sliding rod (16) in a sliding mode, the sliding block (17) is fixedly arranged on the clutch shaft sleeve (11), a rotating shaft (18) is arranged on the installation box (6) in a rotating mode, two ends of the rotating shaft (18) are respectively connected with a short rocker arm (19) and a long rocker arm (20), a sliding groove (21) is formed in the sliding block (17), a short shaft is arranged at one end, far away from the rotating shaft (18), of the short rocker arm (19), the short shaft is arranged in the sliding groove (21) and is in sliding fit with the sliding groove (21), the long rocker arm (20) is located outside the installation box (6), a gear plate (22) is arranged on the installation box (6), and two blind holes (23) are formed in the gear plate (22), the middle part of the long rocker arm (20) is provided with a threaded hole, the threaded hole is connected with a bolt (24) in a threaded manner, and the two blind holes (23) and the bolt (24) are arranged on the same circumference with the rotating shaft (18) as the circle center.

5. The excavator rail support wheel of claim 4, wherein: the clutch mechanism is characterized in that a spring (25) is sleeved on the input shaft (8), one end of the spring (25) abuts against the clutch shaft sleeve (11), and the other end of the spring (25) abuts against the installation box (6).