Adjustable pedal for excavator

Abstract

The utility model relates to the technical field of excavators, in particular to an adjustable pedal for an excavator, which comprises two support arms and two connecting arms, and the connecting arms are arranged on one side of the support arms at corresponding positions. The pedal further comprises a supporting pedal, a movable pedal, a limiting mechanism, an adjusting mechanism, a supporting plate, a fixing plate and a fixing bolt, the supporting pedal and the movable pedal are detachably arranged between the two supporting arms and the connecting arm, the movable pedal is arranged in the supporting pedal in a sliding mode, and the limiting mechanism is used for limiting and fixing the movable pedal. The adjusting mechanism is used for adjusting the positions of the connecting arms on the supporting plate, the supporting plate is located below the two connecting arms, the fixing plate is arranged on the side, away from the supporting arms, of the supporting plate, and the fixing bolt is detachably arranged in a through hole of the fixing plate. Therefore, the width of the pedal can be adjusted according to actual use requirements, and the application range of the pedal is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field especially relates to adjustable footrest for excavator. BACKGROUND

[0002] In medium and large excavator, especially the cab of large excavator is higher, in order to facilitate the staff to get on and off the vehicle, need to install footrest on chassis longitudinal beam, the existing footrest is fastened through bolt and nut, although it has the function of disassembly, but need wrench tool to assist, greatly reduce the installation and removal efficiency of footrest.

[0003] Prior art CN219638010U discloses a kind of excavator detachable footboard, by setting telescopic clamping block at both ends of footboard body, the length of support rod is conveniently adjusted, thereby quickly assembled or disassembled with support arm, greatly improve the installation and removal convenience of footboard, the connecting arm and adjusting arm arranged by support arm enable the installed footboard to adjust the distance between excavator cab, facilitate the driver to adjust the position of footboard according to actual needs, greatly improve the use convenience of footboard.

[0004] But the above-mentioned footboard when in use, the width of footboard cannot be adjusted according to actual use demand, thereby reducing the application range of footboard. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adjustable footrest for excavator, to solve the technical problem that the width of existing footboard cannot be adjusted according to actual use demand when in use, thereby reducing the application range of footboard.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of adjustable footrest for excavator, including support arm and connecting arm, the number of support arm and connecting arm is two, and the connecting arm is arranged at the side of support arm at corresponding position, further including support pedal, movable pedal, limiting mechanism, adjusting mechanism, support plate, fixed plate and fixed bolt, support pedal and movable pedal are detachably arranged between two support arms and connecting arms, and movable pedal is slidably arranged in support pedal, limiting mechanism is used for limiting and fixing movable pedal, adjusting mechanism is used for adjusting the position of connecting arm on support plate, support plate is located below two connecting arms, fixed plate is arranged at the side of support plate away from support arm, and fixed bolt is detachably arranged in the thread hole of fixed plate.

[0007] The limiting mechanism comprises a spring steel plate and a snap button, the spring steel plate is fixed in the movable pedal, the snap button is fixed on one side of the spring steel plate close to the movable pedal and penetrates through the support pedal and the movable pedal respectively and extends out of the support pedal.

[0008] The adjusting mechanism comprises a sliding rail and a sliding block, the sliding rail is arranged below the connecting arm, and the sliding block is in sliding connection with the sliding rail and arranged on the support plate.

[0009] The adjusting mechanism further comprises a limiting bolt, the limiting bolt is detachably connected with the sliding block and abuts against the sliding rail and penetrates through the sliding block.

[0010] The support arm and the connecting arm are provided with limiting grooves, and the support pedal and the movable pedal are provided with protrusions, the protrusions are inserted into the limiting grooves, so that the support pedal and the movable pedal are limited and fixed.

[0011] The utility model discloses a kind of adjustable footrests for excavator, two the support arm and the connecting arm between detachably set up the support pedal and the movable pedal, and the movable pedal is slidably arranged in the support pedal, the limiting mechanism is used to limit and fix the movable pedal, the adjusting mechanism is used to adjust the position of the connecting arm on the support plate, the support plate is below two the connecting arm, the fixed plate is set on the side of the support plate away from the support arm, the fixed bolt is detachably set in the through-hole of the fixed plate, by the longitudinal sliding of the movable pedal in the support pedal, so the width of footrest can be adjusted, so that the width of footrest can be adjusted according to actual use demand, improve the application range of footrest, solve the technical problem that the width of footrest cannot be adjusted according to actual use demand when using the existing footrest, thereby reducing the application range of footrest. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0013] Figure 1 It is the overall structure schematic view of the adjustable footrest for excavator of the first embodiment of the utility model.

[0014] Figure 2 It is the connection schematic view of support pedal and movable pedal of the adjustable footrest for excavator of the first embodiment of the utility model.

[0015] Figure 3It is the profile view along the slide rail of the adjustable footrest for excavator of the first embodiment of the utility model.

[0016] Figure 4 It is the profile view along the slide rail of the adjustable footrest for excavator of the first embodiment of the utility model.

[0017] Figure 5 It is the profile view along the slide rail of the adjustable footrest for excavator of the first embodiment of the utility model. Figure 4 The enlarged view of A of the adjustable footrest for excavator.

[0018] In the figure: 101-supporting arm, 102-connecting arm, 103-supporting pedal, 104-movable pedal, 105-supporting plate, 106-fixing plate, 107-fixing bolt, 108-spring steel plate, 109-buckle, 110-slide rail, 111-sliding block, 112-limit bolt, 113-limit slot, 114-bulge, 115-opening. DETAILED DESCRIPTION

[0019] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0020] First embodiment

[0021] Please refer to Figures 1-5 , Figure 1 It is the structure schematic view of the whole of the adjustable footrest for excavator of the first embodiment of the utility model, Figure 2 It is the connecting schematic view of the supporting pedal 103 and the movable pedal 104 of the adjustable footrest for excavator of the first embodiment of the utility model, Figure 3 It is the profile view along the slide rail 110 of the adjustable footrest for excavator of the first embodiment of the utility model, Figure 4 It is the profile view along the bulge 114 of the adjustable footrest for excavator of the first embodiment of the utility model, Figure 5 It is the profile view along the slide rail of the adjustable footrest for excavator of the first embodiment of the utility model. Figure 4 The enlarged view of A of the adjustable footrest for excavator.

[0022] The utility model provides a adjustable footboard for excavator: including support arm 101, connecting arm 102, support pedal 103, movable pedal 104, limiting mechanism, adjusting mechanism, support plate 105, fixed plate 106 and fixed bolt 107, the limiting mechanism includes spring steel plate 108 and button 109, the adjusting mechanism includes slide rail 110, sliding block 111 and limiting bolt 112. The foregoing scheme has solved the problem that the foregoing footboard cannot adjust the width of footboard according to actual use demand when using, thereby reducing the applicable range of footboard, and it can be understood that the foregoing scheme can be used in the scene of using excavator.

[0023] In the embodiment, the fixed plate 106 is installed on the excavator by the fixed bolt 107, so that the footboard can be installed on the excavator, the disassembly and assembly of the footboard are realized, the lateral movement of the connecting arm 102 above the support plate 105 is realized, so that the installed footboard can adjust the distance between the excavator cab, so that the driver can adjust the position of the footboard according to actual needs, greatly improving the use convenience of the footboard, the longitudinal sliding of the movable pedal 104 in the support pedal 103 is realized, so that the width of the footboard can be adjusted, so that the width of the footboard can be adjusted according to actual use demand, the applicable range of the footboard is improved, and the technical problem that the width of the footboard cannot be adjusted according to actual use demand when using the existing footboard is solved, thereby reducing the applicable range of the footboard.

[0024] The support arm 101 and the connecting arm 102 are both two in number, and the connecting arm 102 is arranged on one side of the support arm 101 at the corresponding position, the support pedal 103 and the movable pedal 104 are arranged between the two support arms 101 and the connecting arm 102 in a detachable manner, and the movable pedal 104 is arranged in the support pedal 103 in a sliding manner, the limiting mechanism is used for limiting and fixing the movable pedal 104, the adjusting mechanism is used for adjusting the position of the connecting arm 102 on the support plate 105, the support plate 105 is located below the two connecting arms 102, the fixed plate 106 is arranged on the side of the support plate 105 away from the support arm 101, the fixed bolt 107 is arranged in the threaded hole of the fixed plate 106 in a detachable manner, the support arm 101 is arranged in an inclined manner, the connecting arm 102 is arranged in a horizontal manner, and the support arm 101 and the connecting arm 102 are connected together, a plurality of support pedals 103 and movable pedals 104 are uniformly distributed between the two support arms 101 and the connecting arm 102, the support pedal 103 is a hollow structure, the movable pedal 104 is located in the support pedal 103 and can move longitudinally in the support pedal 103, so that the distance between the movable pedal 104 and the support pedal 103 can be adjusted, and then the width of the foot pedal can be adjusted, the support plate 105 and the fixed plate 106 jointly constitute a T-shaped structure, the fixed plate 106 has a threaded hole, the fixed bolt 107 has an external thread, the external thread of the fixed bolt 107 cooperates with the threaded hole of the fixed plate 106, so that the fixed bolt 107 can move along the thread track in the threaded hole of the fixed plate 106, so that the fixed plate 106 can be installed on the excavator through the fixed bolt 107, and then the foot pedal can be installed on the excavator.

[0025] Secondly, the spring steel plate 108 is fixed in the movable pedal 104, the button 109 is fixed on one side of the spring steel plate 108 close to the movable pedal 104, and penetrates through the support pedal 103 and the movable pedal 104 respectively and extends out of the support pedal 103. The support pedal 103 and the movable pedal 104 both have an opening 115. Pressing the button 109 towards the direction close to the movable pedal 104 makes the spring steel plate 108 bend towards the direction away from the support pedal 103, so that the button 109 gradually penetrates through the opening 115 of the support pedal 103 into the support pedal 103, and the limiting and fixing state of the movable pedal 104 in the support pedal 103 is released. At this time, the movable pedal 104 can slide longitudinally in the support pedal 103. When the movable pedal 104 slides longitudinally to a specified position, the pressing force of the button 109 is released. Because the spring steel plate 108 has a self-recovery function, the spring steel plate 108 drives the button 109 to move towards the direction of returning to the original position, so that the button 109 penetrates out of the opening 115 of the support pedal 103, and the movable pedal 104 is limited and fixed in the support pedal 103, so that the distance between the movable pedal 104 and the support pedal 103 is fixed, and the width of the foot pedal is fixed.

[0026] Thirdly, the slide rail 110 is arranged below the connecting arm 102, the sliding block 111 is in sliding connection with the slide rail 110 and is arranged on the support plate 105, the sliding block 111 has a sliding groove, and the slide rail 110 cooperates with the sliding groove of the sliding block 111, so that the slide rail 110 can slide transversely in the sliding groove of the sliding block 111, thereby driving the connecting arm 102 to move transversely above the support plate 105.

[0027] In addition, the limiting bolt 112 is detachably connected with the sliding block 111 and abuts against the slide rail 110 and penetrates through the sliding block 111. The sliding block 111 has a threaded hole, the limiting bolt 112 has an external thread, and the external thread of the limiting bolt 112 cooperates with the threaded hole of the sliding block 111, so that the limiting bolt 112 can move along the thread track in the threaded hole of the sliding block 111, thereby enabling the limiting bolt 112 to be tightened or loosened in the threaded hole of the sliding block 111.

[0028] Finally, the support arm 101 and the connecting arm 102 both have a limiting groove 113, and the support pedal 103 and the movable pedal 104 both have a protrusion 114. The protrusion 114 is inserted into the limiting groove 113 to limit and fix the support pedal 103 and the movable pedal 104.

[0029] In use of the utility model, the fixed bolt 107 is screwed into the threaded hole of the fixed plate 106, and the fixed bolt 107 moves along the thread track in the threaded hole of the fixed plate 106, so that the fixed plate 106 can be installed on the excavator through the fixed bolt 107, and then the footrest can be installed on the excavator, realizing the disassembly and assembly of the footrest, and then the slide rail 110 slides transversely in the sliding groove of the sliding block 111, so that the connecting arm 102 can move transversely above the support plate 105, and then the installed footrest can adjust the distance between the excavator cab, so that the driver can adjust the position of the footrest according to actual needs, greatly improving the use convenience of the footrest.

[0030] Subsequently, after the protrusions 114 of the support pedal 103 and the movable pedal 104 are aligned with the limiting grooves 113 of the support arm 101 and the connecting arm 102, the protrusions 114 are pushed into the limiting grooves 113, and when the protrusions 114 cannot be continuously pushed, the protrusions 114 will fall to the bottom of the limiting grooves 113 under the action of gravity, realizing the limiting and fixing of the protrusions 114 in the limiting grooves 113, so that the support pedal 103 and the movable pedal 104 can be limited and fixed on the support arm 101 and the connecting arm 102, realizing the installation of the support pedal 103 and the movable pedal 104.

[0031] After installation, the push button 109 is pressed towards the direction close to the movable pedal 104, so that the spring steel plate 108 will be bent away from the support pedal 103, so that the push button 109 will gradually pass through the opening 115 of the support pedal 103 and enter the support pedal 103, and then the limiting and fixing state of the movable pedal 104 in the support pedal 103 is released, at this time, the movable pedal 104 is longitudinally slid in the support pedal 103, and when the movable pedal 104 is longitudinally slid to the specified position, the pressing force of the push button 109 is released, and since the spring steel plate 108 has a self-restoring effect, the spring steel plate 108 will drive the push button 109 to move towards the direction of returning to the original position, so that the push button 109 will pass out of the opening 115 of the support pedal 103, and the movable pedal 104 is limited and fixed in the support pedal 103, and then the distance between the movable pedal 104 and the support pedal 103 is fixed, realizing the fixing of the width of the footrest.

[0032] The width of the foot pedal can be adjusted according to actual use requirements by adjusting the distance between the active pedal 104 and the support pedal 103, thereby improving the application range of the foot pedal and solving the technical problem that the width of the foot pedal cannot be adjusted according to actual use requirements in use of the existing foot pedal, thereby reducing the application range of the foot pedal.

[0033] The above only discloses a preferred embodiment of the utility model, of course, cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiments are implemented, and equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1.Adjustable footrest for excavator, comprising support arms and connecting arms, the number of the support arms and the connecting arms is two, and the connecting arms are arranged on one side of the support arms at corresponding positions, characterized in that: It further comprises support pedals, movable pedals, limiting mechanisms, adjusting mechanisms, support plates, fixed plates and fixed bolts, the support pedals and the movable pedals are detachably arranged between the two support arms and the connecting arms, and the movable pedals are slidingly arranged in the support pedals, the limiting mechanisms are used for limiting and fixing the movable pedals, the adjusting mechanisms are used for adjusting the positions of the connecting arms on the support plates, the support plates are located below the two connecting arms, the fixed plates are arranged on the sides of the support plates away from the support arms, and the fixed bolts are detachably arranged in threaded holes of the fixed plates. 2.The adjustable footrest for excavator according to claim 1, characterized in that: The limiting mechanism comprises spring steel plates and buckles, the spring steel plates are fixedly arranged in the movable pedals, the buckles are fixedly arranged on the sides of the spring steel plates close to the movable pedals, and respectively penetrate through the support pedals and the movable pedals and extend out of the support pedals. 3.The adjustable footrest for excavator according to claim 1, characterized in that: The adjusting mechanism comprises slide rails and slide blocks, the slide rails are arranged below the connecting arms, the slide blocks are slidingly connected with the slide rails and arranged on the support plates. 4.The adjustable footrest for excavator according to claim 3, characterized in that: The adjusting mechanism further comprises limiting bolts, the limiting bolts are detachably connected with the slide blocks and abut against the slide rails, and penetrate through the slide blocks. 5.The adjustable footrest for excavator according to claim 1, characterized in that: The support arms and the connecting arms are provided with limiting grooves, the support pedals and the movable pedals are provided with protrusions, the protrusions are inserted into the limiting grooves to limit and fix the support pedals and the movable pedals.

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