Crawler-type chassis tensioning adjusting mechanism

Abstract

The utility model relates to the technical field of crawler-type chassis tensioning adjustment, in particular to a crawler-type chassis tensioning adjustment mechanism which comprises a suspension frame, an adjustment assembly, a supporting assembly and a driving assembly. The adjusting assembly comprises adjusting seats, fixing bolts, adjusting bolts, locking nuts, through bolts and fastening nuts, the two adjusting seats are detachably connected with the suspension frame, the multiple fixing bolts are in threaded connection with the suspension frame, the two adjusting bolts are in sliding connection with the adjusting seats, the two adjusting nuts are in threaded connection with the adjusting bolts, and the through bolts are in threaded connection with the fastening nuts. The opposite-penetrating bolt is fixedly connected with the adjusting bolt, penetrates through the suspension frame, the fastening nut is in threaded connection with the opposite-penetrating bolt and is located on the outer side of the opposite-penetrating bolt, the supporting assembly and the driving assembly are connected with the suspension frame, and the problems that a crawler-type chassis tensioning adjusting structure is complex in structure, large in weight and very unfavorable for reducing the weight of a small crawler-type chassis are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to caterpillar chassis tension adjusting technical field especially relates to a caterpillar chassis tension adjusting mechanism. BACKGROUND

[0002] The existing caterpillar chassis tension adjusting mechanism is generally hydraulic tension adjusting mechanism, provides power through hydraulic system, makes hydraulic telescopic device retract. When hydraulic telescopic device lengthens, push the tensioning roller to move to the caterpillar direction, increase the tension of caterpillar, contrarily, when hydraulic telescopic device shortens, reduce the tension of caterpillar, the adjusting mechanism tension adjusting range is larger, and the adjusting process is relatively stable, accurate, can quickly respond the change of caterpillar tension, adapts to different working conditions and load conditions

[0003] But caterpillar chassis tension adjusting structure is complex, heavy, is very unfavorable to the miniaturization caterpillar chassis lightening. UTILITY MODEL CONTENTS

[0004] The utility model discloses caterpillar chassis tension adjusting mechanism, solved the caterpillar chassis tension adjusting structure complex, heavy, is very unfavorable to the miniaturization caterpillar chassis lightening problem.

[0005] In order to realize above-mentioned purpose, the utility model provides a caterpillar chassis tension adjusting mechanism, including suspension frame, adjusting assembly, support component and drive component, adjusting assembly includes adjusting seat, fixed bolt, adjusting bolt, lock nut, through bolt and fastening nut, the number of adjusting seat is two, two adjusting seat is detachably connected with suspension frame respectively, and is located the outside of suspension frame respectively, the number of fixed bolt is a plurality, a plurality of fixed bolt is respectively connected with the suspension frame thread, and is respectively passed through adjusting seat, the number of adjusting bolt is two, two adjusting bolt is respectively connected with adjusting seat sliding, and is respectively passed through adjusting seat, the number of lock nut is two, two adjusting nuts are respectively connected with adjusting bolt thread, and are located the outside of adjusting seat respectively, through bolt is fixedly connected with adjusting bolt, and passes through suspension frame, fastening nut is connected with through bolt thread, and is located the outside of through bolt, support component and drive component are connected with suspension frame respectively.

[0006] The adjusting assembly further comprises adjusting limit blocks, adjusting bearings and an adjusting wheel, the number of the adjusting limit blocks is two, the two adjusting limit blocks are respectively in sliding connection with the through bolts and are respectively located in the middle of the suspension frame, the number of the adjusting bearings is two, the two adjusting bearings are respectively in sliding connection with the through bolts and are respectively located in the middle of the adjusting limit blocks, and the adjusting wheel is in rotational connection with the adjusting bearings and is located outside the adjusting bearings.

[0007] The support assembly comprises support bolts, support nuts and support limit blocks, the number of the support bolts is multiple, the multiple support bolts are respectively in detachable connection with the suspension frame and respectively pass through the suspension frame, the number of the support nuts is multiple, the multiple support nuts are respectively in threaded connection with the support bolts and are respectively located outside the support bolts, and the number of the support limit blocks is two, the two support limit blocks are respectively in sliding connection with the support bolts and are respectively located in the middle of the suspension frame.

[0008] The support assembly further comprises support bearings and support wheels, the number of the support bearings is multiple, the multiple support bearings are respectively in rotational connection with the support bolts and are respectively located between the support limit blocks, and the number of the support wheels is multiple, the multiple support wheels are respectively in rotational connection with the support bearings and are respectively located outside the support bearings.

[0009] The driving assembly comprises a driving belt, a driving wheel and mounting bolts, the driving belt is connected with the adjusting wheel and the support wheel and is located outside the adjusting wheel and the support wheel, the driving wheel is connected with the driving belt and is located outside the suspension frame, and the number of the mounting bolts is multiple, the multiple mounting bolts are respectively in threaded connection with the driving wheel and respectively pass through the driving wheel.

[0010] The track type chassis tensioning adjusting mechanism of the utility model, the suspension frame connects the device and the vehicle body, so that the device provides support to the vehicle body, the adjusting seat is fixed on the outside of the suspension frame through the fixing bolt, the adjusting bolt is used for controlling the position of the through bolt, the locking nut is used for fixing the position of the adjusting bolt, the through bolt provides support to the adjusting wheel, the position of the through bolt is fixed through the fastening nut, when the tensioning degree of the driving belt is adjusted, the fastening nut is loosened, the fixation of the through bolt by the fastening nut is released, the adjusting screw is moved along the adjusting seat by rotating the locking nut, the position of the through bolt is adjusted, the adjusting wheel is driven to move, the tensioning degree of the driving belt is adjusted, and the problems of complex track type chassis tensioning adjusting structure, large weight and being not conducive to reducing the weight of small track type chassis are solved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0012] Figure 1 is the overall structure schematic diagram of the track type chassis tensioning adjusting mechanism of the first embodiment of the utility model.

[0013] Figure 2 is the overall structure schematic diagram of the track type chassis tensioning adjusting mechanism of the first embodiment of the utility model. Figure 1 is the enlarged view of A of the utility model.

[0014] Figure 3 is the structure schematic diagram of the adjusting assembly of the first embodiment of the utility model.

[0015] Figure 4 is the structure schematic diagram of the supporting assembly of the first embodiment of the utility model.

[0016] In the drawing: 101-suspension frame, 102-adjusting seat, 103-fixing bolt, 104-adjusting bolt, 105-locking nut, 106-through bolt, 107-fastening nut, 108-adjusting limiting block, 109-adjusting bearing, 110-adjusting wheel, 111-supporting bolt, 112-supporting nut, 113-supporting limiting block, 114-supporting bearing, 115-supporting wheel, 116-driving belt, 117-driving wheel, 118-mounting bolt. DETAILED DESCRIPTION

[0017] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0018] The first embodiment of the present application is:

[0019] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structure schematic diagram of the track chassis tensioning adjusting mechanism of the first embodiment of the present application, Figure 2 is the first embodiment of the present application Figure 1 is an enlarged view of A of the first embodiment of the present application, Figure 3 is the structure schematic diagram of the adjusting assembly of the first embodiment of the present application, Figure 4 is the structure schematic diagram of the supporting assembly of the first embodiment of the present application, the present application provides a track chassis tensioning adjusting mechanism, which comprises a suspension frame 101, an adjusting assembly, a supporting assembly and a driving assembly, the adjusting assembly comprises an adjusting seat 102, a fixing bolt 103, an adjusting bolt 104, a locking nut 105, a through bolt 106, a fastening nut 107, an adjusting limiting block 108, an adjusting bearing 109 and an adjusting wheel 110, the supporting assembly comprises a supporting bolt 111, a supporting nut 112, a supporting limiting block 113, a supporting bearing 114 and a supporting wheel 115, the driving assembly comprises a driving belt 116, a driving wheel 117 and a mounting bolt 118; the foregoing scheme solves the problems that the track chassis tensioning adjusting structure is complex, heavy, and very unfavorable for miniaturization of the track chassis to reduce the weight.

[0020] For this specific embodiment, the number of the adjusting seats 102 is two, the two adjusting seats 102 are respectively detachably connected with the suspension frame 101 and are respectively located outside the suspension frame 101, the number of the fixing bolts 103 is multiple, the multiple fixing bolts 103 are respectively threadedly connected with the suspension frame 101 and respectively pass through the adjusting seats 102, the number of the adjusting bolts 104 is two, the two adjusting bolts 104 are respectively slidably connected with the adjusting seats 102 and respectively pass through the adjusting seats 102, the number of the locking nuts 105 is two, the two adjusting nuts are respectively threadedly connected with the adjusting bolts 104 and are respectively located outside the adjusting seats 102, the through bolt 106 is fixedly connected with the adjusting bolt 104 and passes through the suspension frame 101, the fastening nut 107 is threadedly connected with the through bolt 106 and is located outside the through bolt 106, the support assembly and the driving assembly are respectively connected with the suspension frame 101, the suspension frame 101 connects the device with the vehicle body so as to facilitate the device to provide a supporting action on the vehicle body, the adjusting seats 102 are fixed outside the suspension frame 101 through the fixing bolts 103, the adjusting bolts 104 are used for controlling the position of the through bolt 106, the locking nuts 105 are used for fixing the position of the adjusting bolts 104, the through bolt 106 provides a supporting action on the adjusting wheel 110, the position of the through bolt 106 is fixed through the fastening nut 107, when the tensioning degree of the driving belt 116 is adjusted, the fastening nut 107 is loosened, the fixation of the through bolt 106 by the fastening nut 107 is released, the adjusting bolts 104 are moved along the adjusting seats 102 by rotating the locking nuts 105, the position of the through bolt 106 is adjusted, the adjusting wheel 110 is simultaneously moved, and the tensioning degree of the driving belt 116 is adjusted.

[0021] Among them, the number of the adjusting limit blocks 108 is two, the two adjusting limit blocks 108 are respectively slidably connected with the through bolt 106 and are respectively located in the middle of the suspension frame 101, the number of the adjusting bearings 109 is two, the two adjusting bearings 109 are respectively slidably connected with the through bolt 106 and are respectively located in the middle of the adjusting limit blocks 108, the adjusting wheel 110 is rotationally connected with the adjusting bearing 109 and is located outside the adjusting bearing 109, the adjusting limit blocks 108 are used for providing a limiting action on the adjusting bearing 109, so as to avoid the adjusting bearing 109 from shaking during use, the adjusting bearing 109 is used for providing a supporting and rotating action on the adjusting wheel 110, and the adjusting wheel 110 is used for adjusting the tensioning degree of the driving belt 116.

[0022] Secondly, the number of the support bolts 111 is multiple, the multiple support bolts 111 are respectively detachably connected with the hanging frame 101 and respectively pass through the hanging frame 101, the number of the support nuts 112 is multiple, the multiple support nuts 112 are respectively threadedly connected with the support bolts 111 and respectively located outside the support bolts 111, the number of the support limiting blocks 113 is two, the two support limiting blocks 113 are respectively slidably connected with the support bolts 111 and respectively located in the middle of the hanging frame 101, the support bolts 111 are used for providing support to the support wheels 115, the support nuts 112 are used for facilitating the fixation of the support bolts 111 and the support limiting blocks 113, and the support limiting blocks 113 are used for limiting the position of the support bearings 114 to avoid the deviation of the support bearings 114 in use.

[0023] Thirdly, the number of the support bearings 114 is multiple, the multiple support bearings 114 are respectively rotatably connected with the support bolts 111 and respectively located between the support limiting blocks 113, the number of the support wheels 115 is multiple, the multiple support wheels 115 are respectively rotatably connected with the support bearings 114 and respectively located outside the support bearings 114, the support bearings 114 provide support and rotation to the support wheels 115, and the support wheels 115 are used for providing support to the drive belt 116, the upper support wheels 115 are idler wheels for facilitating the dragging of the drive belt 116, and the lower support wheels 115 are supporting wheels for facilitating the support of the hanging frame 101 and the vehicle body.

[0024] Finally, the drive belt 116 is connected with the adjusting wheel 110 and the support wheels 115 and located outside the adjusting wheel 110 and the support wheels 115, the drive wheel 117 is connected with the drive belt 116 and located outside the hanging frame 101, the number of the mounting bolts 118 is multiple, the multiple mounting bolts 118 are respectively threadedly connected with the drive wheel 117 and respectively pass through the drive wheel 117, the drive wheel 117 is connected with the transmission device of the vehicle machine to facilitate the transmission of the drive belt 116, in use, the mounting bolts 118 are used for mounting the drive wheel 117 outside the transmission device of the vehicle machine, the transmission device is rotated to drive the drive wheel 117 to rotate, and simultaneously drive the drive belt 116 to rotate outside the adjusting wheel 110 and the support wheels 115, thereby facilitating the movement of the vehicle body.

[0025] The track chassis tension adjusting mechanism is used for connecting the device with the vehicle body through the suspension frame 101, so that the device supports the vehicle body, the adjusting seat 102 is fixed outside the suspension frame 101 through the fixing bolt 103, the adjusting bolt 104 is used for controlling the position of the through bolt 106, the locking nut 105 is used for fixing the position of the adjusting bolt 104, the through bolt 106 supports the adjusting wheel 110, the position of the through bolt 106 is fixed through the fastening nut 107, when the tension degree of the driving belt 116 is adjusted, the fastening nut 107 is loosened, the fixing of the through bolt 106 by the fastening nut 107 is released, the adjusting bolt 104 is moved along the adjusting seat 102 by rotating the locking nut 105, the position of the through bolt 106 is adjusted, the adjusting wheel 110 is moved, and the tension degree of the driving belt 116 is adjusted, so that the problem that the track chassis tension adjusting structure is complex, heavy and not conducive to the weight reduction of the small track chassis is solved.

[0026] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned embodiments is still within the scope of the application.

Claims

1. A track chassis tensioning adjustment mechanism, comprising a suspension frame, characterized in that, further comprising an adjustment assembly, a support assembly and a driving assembly; the adjustment assembly comprises an adjustment seat, a fixing bolt, an adjustment bolt, a locking nut, a through bolt and a fastening nut, the number of the adjustment seat is two, the two adjustment seats are respectively detachably connected with the suspension frame and are respectively located outside the suspension frame, the number of the fixing bolt is multiple, the multiple fixing bolts are respectively threadedly connected with the suspension frame and respectively pass through the adjustment seat, the number of the adjustment bolt is two, the two adjustment bolts are respectively slidably connected with the adjustment seat and respectively pass through the adjustment seat, the number of the locking nut is two, the two locking nuts are respectively threadedly connected with the adjustment bolt and are respectively located outside the adjustment seat, the through bolt is fixedly connected with the adjustment bolt and passes through the suspension frame, the fastening nut is threadedly connected with the through bolt and is located outside the through bolt, and the support assembly and the driving assembly are respectively connected with the suspension frame.

2. The track chassis tensioning adjustment mechanism according to claim 1, characterized in that, the adjustment assembly further comprises an adjustment limiting block, an adjustment bearing and an adjustment wheel, the number of the adjustment limiting block is two, the two adjustment limiting blocks are respectively slidably connected with the through bolt and are respectively located in the middle of the suspension frame, the number of the adjustment bearing is two, the two adjustment bearings are respectively slidably connected with the through bolt and are respectively located in the middle of the adjustment limiting block, and the adjustment wheel is rotationally connected with the adjustment bearing and is located outside the adjustment bearing.

3. The track chassis tensioning adjustment mechanism according to claim 2, characterized in that, the support assembly comprises a support bolt, a support nut and a support limiting block, the number of the support bolt is multiple, the multiple support bolts are respectively detachably connected with the suspension frame and respectively pass through the suspension frame, the number of the support nut is multiple, the multiple support nuts are respectively threadedly connected with the support bolt and are respectively located outside the support bolt, and the number of the support limiting block is two, the two support limiting blocks are respectively slidably connected with the support bolt and are respectively located in the middle of the suspension frame.

4. The track chassis tensioning adjustment mechanism according to claim 3, characterized in that, the support assembly further comprises a support bearing and a support wheel, the number of the support bearing is multiple, the multiple support bearings are respectively rotationally connected with the support bolt and are respectively located between the support limiting blocks, and the number of the support wheel is multiple, the multiple support wheels are respectively rotationally connected with the support bearing and are respectively located outside the support bearing.

5. The track chassis tensioning adjustment mechanism according to claim 4, characterized in that, The driving assembly comprises a driving belt, a driving wheel and mounting bolts, the driving belt is connected with the adjusting wheel and the supporting wheel and located outside the adjusting wheel and the supporting wheel, the driving wheel is connected with the driving belt and located outside the suspension frame, the mounting bolts are multiple in number, and the multiple mounting bolts are respectively in threaded connection with the driving wheel and respectively pass through the driving wheel.

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