Movable pedal device for rotary drilling rig
By designing a movable foot pedal device, the problem of easy damage to the fixed foot pedal of the rotary drilling rig was solved, achieving higher maneuverability and safety, and reducing maintenance costs.
Patent Information
- Application Number
- CN202520131918.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The fixed foot pedal device of existing rotary drilling rigs is prone to permanent deformation and damage due to collisions, which also affects the passability of the rotary drilling rig and causes the transport width to exceed the standard.
Design a movable foot pedal device that uses a hinged rocker arm and pedal structure, connected by a limiting groove and fasteners, to achieve retractability and protection of the foot pedal and avoid permanent damage.
It improves the maneuverability and safety of rotary drilling rigs, prevents foot pedals from being damaged by impacts with obstacles, and reduces maintenance costs.
Smart Images
Figure CN223590641U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to rotary drilling machine footstep technical field, concretely relates to a movable footrest device for rotary drilling machine. BACKGROUND
[0002] Rotary drilling machine is a kind of engineering machinery suitable for hole forming operation in building foundation engineering, is widely used in municipal construction, highway bridge, high-rise building etc. foundation construction engineering, through cooperation different drilling tools, adapt to dry (short spiral), or wet (rotary bucket) and rock formation (rock core drill) hole forming operation, based on the need of driver getting on and off the vehicle, rotary drilling machine off vehicle position is provided with fixed footrest.
[0003] In prior art, footrest is set on walking frame by welding or bolt connection mode, when rotary drilling machine walks in construction site, this traditional fixed footrest inevitably meets obstacles, is easy to cause footrest permanent deformation damage and difficult to repair, and footrest often affects the overall passability of rotary drilling machine when fixing, is easy to cause transportation width to exceed the standard, in view of the above, an active footrest device for rotary drilling machine is urgently needed. UTILITY MODEL CONTENTS
[0004] To solve the above-mentioned partial or all technical problems in prior art, the utility model provides an active footrest device for rotary drilling machine, the active footrest device is arranged on one side of track beam of rotary drilling machine, and the active footrest device for rotary drilling machine includes base fixed on one side of the track beam, two rocker arms articulated above the base by first fasteners, and pedal arranged between the two rocker arms, wherein:
[0005] The base includes two supporting plates fixed on one side of the track beam and fixed plate arranged between the two supporting plates, two first fixing holes are symmetrically formed on the fixed plate, first nuts are arranged in the first fixing holes, second fixing holes matched with the first fixing holes are formed in one end of the rocker arms, first rotating holes are formed in the other end of the rocker arms, second rotating holes matched with the first rotating holes are formed in both ends of the pedal, the first fasteners are screwed into the first nuts after passing through the second fixing holes, the second fasteners are fixed by second nuts after passing through the second rotating holes and the first rotating holes in sequence, sleeve gaskets are arranged between the second rotating holes and the second fasteners, the bottom of the sleeve gasket abuts against the end face of the rocker arm, and the top of the sleeve gasket tightly abuts against the second fastener, and there is a gap between the sleeve gasket and the end face of the pedal.
[0006] As a specific embodiment, in the above movable foot pedal device for rotary drilling rig, the fixed plate is symmetrically provided with two limiting grooves, the limiting grooves are arranged along the width direction, the first fixing hole is arranged in the limiting groove, and the rocker is embedded in the limiting groove.
[0007] As a specific embodiment, in the above movable foot pedal device for rotary drilling rig, the top of the pedal is provided with an anti-skid structure.
[0008] As a specific embodiment, in the above movable foot pedal device for rotary drilling rig, the anti-skid structure is a wave-shaped protruding block arranged on the top of the pedal.
[0009] Further, in the above movable foot pedal device for rotary drilling rig, a gasket is arranged between the first fastener and the rocker.
[0010] As a specific embodiment, in the above movable foot pedal device for rotary drilling rig, 2-4 parallel pedals are arranged between the two rockers.
[0011] The movable foot pedal device for rotary drilling rig has the following advantages and beneficial effects:
[0012] In the use process, the two rockers are rotated in the same positive direction around the first fixing hole after the first fastener is slightly loosened, at this time, the rocker breaks away from the constraint of the limiting groove, and the pedal is rotated synchronously, so that the device as a whole is in a contracted state, the passability of the rotary drilling rig as a whole is improved, and the depth of the limiting groove is designed, when the foot pedal is impacted by an obstacle, the rocker will break away from the constraint of the limiting groove under the action of the impact force and rotate around the first fixing hole, so that the foot pedal is prevented from being permanently damaged, and the device has good practicability and safety. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only used for further understanding of the embodiments of the present application and constitute a part of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. In the drawings:
[0014] Figure 1 is a structural schematic view of the movable foot pedal device for rotary drilling rig of the present application;
[0015] Figure 2 is Figure 1 is a partial enlarged view of I in
[0016] Figure 3 is the use state schematic diagram of the movable foot pedal device for the rotary drilling rig of the utility model;
[0017] Figure 4 is the contraction state schematic diagram of the movable foot pedal device for the rotary drilling rig of the utility model;
[0018] Figure 5 is the structure schematic diagram of the base in the movable foot pedal device for the rotary drilling rig of the utility model;
[0019] Figure 6 is the structure schematic diagram of the rocker in the movable foot pedal device for the rotary drilling rig of the utility model;
[0020] Figure 7 is the structure schematic diagram of the sleeve washer in the movable foot pedal device for the rotary drilling rig of the utility model;
[0021] Figure 8 is the structure schematic diagram of the pedal in the movable foot pedal device for the rotary drilling rig of the utility model.
[0022] Explanation of reference signs:
[0023] 1-base, 11-branch plate, 12-fixed plate, 13-first fixed hole, 14-limiting groove, 2-first fastener, 3-rocker, 31-second fixed hole, 32-first rotating hole, 4-second fastener, 5-pedal, 51-second rotating hole, 52-anti-skid structure, 6-first nut, 7-second nut, 8-sleeve washer, 9-gasket, 100-track beam. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the specific embodiment and corresponding drawings of the utility model to make clear, complete description of the technical scheme of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0025] As Figures 1 to 8The utility model discloses a movable footrest device for rotary drilling rig, movable footrest device sets up in the caterpillar beam 100 one side of rotary drilling rig, and movable footrest device for rotary drilling rig includes the base 1 fixed in the caterpillar beam 100 one side, the two rocker bars 3 of hinging above base 1 through first fastener 2, the pedal 5 of setting up between two rocker bars 3, and the pedal 5 both ends are hinged in rocker bar 3 through second fastener 4 respectively, since rocker bar 3 and base 1 between, the pedal 5 and rocker bar 3 between are all hinged, so two rocker bars 3 and the pedal 5, base 1 between formed movable parallelogram structure, wherein, base 1 includes the two supporting plates 11 fixed in the caterpillar beam 100 one side, the fixed plate 12 of setting up between two supporting plates 11, and supporting plate 11 and fixed plate 12 between adopt integral type connection, and supporting plate 11 and caterpillar beam 100 between adopt welding, and the fixed plate 12 is symmetrically provided with two first fixed holes 13, and first fixed nut 6 is arranged in first fixed hole 13, and the second fixed hole 31 matched with first fixed hole 13 is penetrated in one end of rocker bar 3, and the first rotation hole 32 is penetrated in the other end, and the second rotation hole 51 matched with first rotation hole 32 is set up in the both ends of pedal 5, and first fastener 2 is rotated into first fixed nut 6 after passing through second fixed hole 31, and second fastener 4 is fixed through second nut 7 in proper order after passing through second rotation hole 51, first rotation hole 32, and sleeve washer 8 is arranged between second rotation hole 51 and second fastener 4, and sleeve washer 8 bottom abuts to rocker bar 3 end face, and top and second fastener 4 closely adhere, and there is gap between sleeve washer 8 and pedal 5 end face.
[0026] As a specific embodiment, in the movable footrest device for rotary drilling rig of the utility model, the fixed plate 12 is symmetrically provided with two limit grooves 14, the limit groove 14 is arranged along the width direction, the first fixed hole 13 is arranged in the limit groove 14, and the rocker bar 3 is embedded in the limit groove 14, so that the rotation of the rocker bar 3 in daily use is prevented, the safety of the staff stepping on the device is ensured, the safety is good, and the depth of the limit groove 14 is designed, when the device is impacted by an obstacle, the rocker bar 3 is released from the constraint of the limit groove 14 under the action of the impact force, rotates around the first fixed hole 13, the permanent damage of the footrest is prevented, and the passability of the rotary drilling rig is ensured.
[0027] As a specific embodiment, in the movable footrest device for rotary drilling rig of the utility model, the pedal 5 top is provided with an anti-skid structure 52, so that the anti-skid of the pedal 5 is used for daily stepping.
[0028] As a specific embodiment, in the movable foot pedal device for the rotary drilling rig, the anti-skid structure 52 is a wave-shaped protruding block arranged on the top of the pedal 5, of course, an anti-skid rubber layer or other anti-skid structures arranged on the top of the pedal 5 can also be used, as long as the anti-skid effect is achieved.
[0029] Further, in the movable foot pedal device for the rotary drilling rig, the gasket 9 is arranged between the first fastener 2 and the rocker 3, thereby increasing the stability of the rocker 3.
[0030] As a specific embodiment, in the movable foot pedal device for the rotary drilling rig, 2-4 parallel pedals 5 are arranged between the two rockers 3, more specifically, 2 parallel pedals 5 are arranged between the two rockers 3, and the two pedals 5 are spaced apart by a certain distance, of course, the number of pedals 5 needs to be set according to the length of the rocker 3 and other specific working conditions in the actual use process, as long as the distance between the adjacent pedals 5 does not affect the activity of the whole device.
[0031] The working principle of the movable foot pedal device for the rotary drilling rig is as follows:
[0032] When the rotary drilling rig is transported, the first fastener 2 is slightly loosened, the second fastener 4 is tightly abutted to the end face of the sleeve gasket 8, and there is a certain gap between the sleeve gasket 8 and the foot pedal end face, so that the two rockers 3 are rotated in the same positive direction around the first fixing hole 13, at this time, the rocker 3 breaks away from the constraint of the limiting groove 14, and the pedal 5 is synchronously rotated, so that the whole device is in a contracted state, when the pedal 5 needs to be used, the two rockers 3 are rotated in the same reverse direction around the first fixing hole 13, until the rocker 3 is located in the limiting groove 14, the first fastener 2 is tightened, and the pedal 5 can be used again, through a large number of tests, when the pedal is impacted, the standard first fastener 2 and the first nut 6 are most easily damaged, and the replacement cost is lower.
[0033] Compared with the prior art, the movable foot pedal device for the rotary drilling rig has the following advantages and beneficial effects:
[0034] In the use process of the device, the first fastener 2 is slightly loosened, and the two rockers 3 are rotated in the same positive direction around the first fixing hole 13, at this time, the rocker 3 breaks away from the constraint of the limiting groove 14, and the pedal 5 is synchronously rotated, so that the whole device is in a contracted state, the passability of the rotary drilling rig is improved, and the depth of the limiting groove 14 is designed, when the pedal is impacted by an obstacle, the rocker 3 breaks away from the constraint of the limiting groove 14 under the action of the impact force, and is rotated around the first fixing hole 13, thereby preventing the pedal from being permanently damaged, and the device has good practicability and safety.
[0035] It should be noted that, in this paper, unless otherwise specified and limited, the term "connection" or its synonyms should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, and those skilled in the art can understand the specific meaning of the above-mentioned terms in the utility model according to the specific circumstances. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. At the same time, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. In addition, "front", "back", "left", "right", "up", "down" and the like in this paper are referred to the placement state shown in the drawings.
[0036] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the examples, those skilled in the art should understand that: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A movable footrest for a rotary drilling rig, the movable footrest being provided on one side of a crawler beam of the rotary drilling rig, characterized in that, The movable footrest for the rotary drilling rig comprises a base fixed to one side of the crawler beam, two rocker arms articulated above the base by first fasteners, and a footboard arranged between the two rocker arms, wherein: The base comprises two support plates fixed to one side of the crawler beam and a fixed plate arranged between the two support plates, two first fixing holes are symmetrically formed on the fixed plate, a first nut is arranged in each first fixing hole, a second fixing hole matching the first fixing hole is formed at one end of the rocker arm, a first rotating hole is formed at the other end of the rocker arm, a second rotating hole matching the first rotating hole is formed at each end of the footboard, the first fastener is screwed into the first nut after passing through the second fixing hole, the second fastener is fixed by a second nut after passing through the second rotating hole and the first rotating hole in sequence, a sleeve washer is arranged between the second rotating hole and the second fastener, the bottom of the sleeve washer abuts against the end face of the rocker arm, and the top of the sleeve washer tightly abuts against the second fastener, and there is a gap between the sleeve washer and the end face of the footboard.
2. The movable footstep device for a rotary drilling rig according to claim 1, characterized by, Two limiting grooves are symmetrically formed on the fixed plate, the limiting grooves are arranged along the width direction, and the first fixing hole is formed in the limiting groove.
3. The mobile footrest for a rotary drilling rig according to claim 1, characterized by, An anti-skid structure is arranged on the top of the footboard.
4. The mobile footrest for a rotary drilling rig according to claim 3, characterized by, The anti-skid structure is a wave-shaped protruding block formed on the top of the footboard.
5. The mobile footrest device for a rotary drilling rig according to claim 1, characterized by, A gasket is arranged between the first fastener and the rocker arm.
6. The mobile footrest device for a rotary drilling rig according to claim 1, characterized by, 2-4 parallel footboards are arranged between the two rocker arms.