Flexible folding ladder and rock drill

Abstract

The utility model discloses a flexible folding ladder and a rock drill, and belongs to the technical field of engineering vehicle equipment, the flexible folding ladder comprises: a fixed part, which is installed on a frame of the rock drill; the folding part is positioned below the fixed part and is movably connected with the fixed part; the folding part comprises crosspieces arranged in the horizontal direction, and the crosspieces are connected through flexible connecting pieces in the vertical direction. The flexible folding ladder disclosed by the utility model has the characteristics of simple structure, convenience in operation, low cost and high safety, can meet the mandatory requirements of related product standards, and is convenient for a user to use; and the ladder can be prevented from being extruded, deformed and damaged when the rock drill goes downhill. Particularly, the deformation and damage of the ladder caused by forgetting to collect the ladder can be solved, and the ladder has beneficial effects on the reliability, convenience and humanization of equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering vehicle equipment, and more specifically to a flexible folding ladder and a rock drill. Background Art

[0002] At present, the ladders installed and used on rock drills are usually metal rigid ladders, and are rigidly connected to the rock drill frame by bolts or other means. For example, patent CN201520439024.7 Escalator and rotary drilling rig discloses an escalator, including two ladder bars and a plurality of pedals spaced between the two ladder bars. The escalator also includes an anti-skid device arranged on the ladder bar, and the anti-skid device is arranged on the outer surface of the ladder bar on the upper side of each pedal. Patent CN202120896677.3 Ladder and rotary drilling rig is to solve the problem that the existing ladder often causes the machine to be too wide and affects the opening of the cover at the installation position of the ladder. Patent 202220561899.4 discloses a rotary drilling rig ladder and a rotary drilling rig, wherein the ladder is fixed to the rotary drilling rig by connecting all fixed ends to the hydraulic oil tank, thereby avoiding the problem of difficulty in installing the ladder and the vehicle body due to the simultaneous existence of cumulative tolerances and assembly tolerances caused by the connection of the ladder and the rotary drilling rig to different components.

[0003] Patent CN201020687372.3 discloses a foldable vehicle ladder device for drilling rigs. This utility model replaces the traditional fixed vehicle ladder and external vehicle ladder mode, and plays the role of free folding and releasing, safe and stable according to actual operation needs. It has the advantages of compact and clever structure, easy processing, low cost, saving vehicle space, etc., and greatly improves work efficiency, while also greatly reducing manufacturing costs.

[0004] However, for some export products, according to relevant standards, the height of the lowest step of the ladder from the ground is clearly required and the distance is relatively close. For a rigid ladder, when the rock drill is going downhill, the ladder will interfere with the ground, causing the ladder to be severely deformed and damaged. Although the above patent discloses a foldable ladder, when the foldable ladder is forgotten to be folded, it will also cause deformation and damage to the ladder. Utility Model Content

[0005] In view of the problem that the existing rock drill ladder is easy to deform and damage, this solution provides a flexible folding ladder and a rock drill. In this solution, a flexible connecting piece is provided so that the flexible folding ladder is easy to fold up, and even if the folding is forgotten, due to the provision of the flexible connecting piece, when the rock drill is going downhill, the ladder will not interfere seriously with the ground, which can effectively prevent the ladder from being deformed and damaged.

[0006] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0007] In one aspect, the utility model provides a flexible folding ladder suitable for a rock drill, comprising:

[0008] A fixing part, which is mounted on a frame of the rock drill;

[0009] The folding portion is located below the fixing portion and is movably connected to the fixing portion;

[0010] The folding portion includes horizontally arranged crossbars, which are connected in a vertical direction by flexible connecting members.

[0011] Furthermore, the crossbar includes a first crossbar and a second crossbar located below the first crossbar, and the flexible connector is used to connect the ends of the first crossbar and the second crossbar on the same side.

[0012] Furthermore, the folding portion comprises a flip block, and a flip block is respectively installed at both ends of the first cross piece, and the folding portion is hinged to the fixing portion through the flip block.

[0013] Furthermore, the fixing portion includes ladder beams arranged vertically symmetrically, pedals are arranged at intervals between the ladder beams, and the pedals are arranged in the same direction as the crosspieces.

[0014] Furthermore, a hanging ear is provided on the ladder beam, and the hanging ear forms a receiving cavity, and both end portions of the second cross piece are at least partially inserted into the receiving cavity.

[0015] Furthermore, the hanging ear is located on a side of the ladder beam close to the rock drilling rig frame.

[0016] Furthermore, a mounting seat is provided at the bottom of the ladder beam, and one end of the flip block away from the first cross piece is hinged to the mounting seat.

[0017] Furthermore, the flexible connecting member is a steel wire rope, or a chain, or a chain link, or rubber.

[0018] On the other hand, the utility model provides a rock drill, comprising:

[0019] a frame for supporting the rock drill assembly;

[0020] A ladder for getting on the vehicle, fixed to the rear of the vehicle frame;

[0021] The boarding ladder is any of the flexible folding ladders described above.

[0022] Furthermore, a fixing bar is provided at the free end of the ladder beam of the flexible folding ladder, and the flexible folding ladder is connected to the vehicle frame via the fixing bar.

[0023] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0024] The flexible folding ladder of the utility model has the characteristics of simple structure, convenient operation, low cost and high safety. It can not only meet the mandatory requirements of relevant product standards and be convenient for users to use, but also prevent the ladder from being squeezed, deformed and damaged when the rock drill goes downhill. In particular, it can solve the deformation and damage of the ladder caused by misoperation, such as forgetting to fold the ladder, and has a beneficial effect on the reliability, convenience and humanization of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the flexible folding ladder in the opened state;

[0026] Figure 2 This is a schematic diagram of the flexible folding ladder in the folded state.

[0027] Description of labels:

[0028] 100, fixing part; 110, ladder beam; 120, pedal; 130, hanging ear; 140, mounting seat; 150, fixing bar; 200, folding part; 210, first cross bar; 220, second cross bar; 230, flexible connector; 240, flip block. DETAILED DESCRIPTION

[0029] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0030] It should also be noted that, for ease of description, only the parts related to the present application are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0031] In the description of this application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0032] In addition, if the terms "horizontal" or "vertical" appear in the description of this application, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] It should be noted that the modifications of "one" and "plurality" mentioned in the present application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0035] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0036] like Figure 1 As shown, this embodiment provides a flexible folding ladder applicable to a rock drill, which includes a fixed portion 100 mounted on a frame of the rock drill, and a folding portion 200 located below the fixed portion 100 and movably connected to the fixed portion 100. The folding portion 200 includes a plurality of horizontal rails arranged in a horizontal direction, and adjacent horizontal rails are connected in a vertical direction by a flexible connector 230.

[0037] When in use, the folding part 200 is flipped down relative to the fixed part 100, at which time the flexible folding ladder is in an open state, and the user can climb up by stepping on the horizontal bars; when not in use, the folding part 200 is flipped up relative to the fixed part 100 and retracted, at which time the flexible folding ladder is in a folded state.

[0038] As a specific implementation, the crossbar includes a first crossbar 210 and a second crossbar 220 . The second crossbar 220 is located below the first crossbar 210 . The first crossbar 210 and the second crossbar 220 are connected at the same side ends via a flexible connector 230 .

[0039] Of course, the crossbars are not limited to only the first crossbar 210 and the second crossbar 220 , and a corresponding number of crossbars may be provided according to actual needs, and the multiple crossbars may be connected by the flexible connector 230 .

[0040] In this embodiment, the fixed part 100 includes ladder beams 110 arranged vertically and symmetrically, and pedals 120 are arranged at intervals between the ladder beams 110. The pedals 120 are arranged in the same direction as the horizontal rails. Users can step on the horizontal rails of the folding part 200 to step on the pedals 120 between the ladder beams 110 in sequence.

[0041] In one embodiment, the folding portion 200 includes a flip block 240 located at both ends of the first cross piece 210 , and the folding portion 200 is hinged to the fixed portion 100 via the flip block 240 to enable the folding portion 200 to flip up and down relative to the fixed portion 100 around the hinge axis.

[0042] Furthermore, a mounting seat 140 can be provided at the bottom of the ladder beam 110, one end of the flip block 240 is fixed to the end of the first cross bar 210, and the other end of the flip block 240 away from the first cross bar 210 is hinged to the mounting seat 140. Through the above arrangement, the folding part 200 and the fixed part 100 can be movably connected.

[0043] As a specific implementation, a lug 130 is provided on the ladder beam 110 , and the lug 130 forms a receiving cavity, and both ends of the second crosspiece 220 are at least partially inserted into the receiving cavity so as to be fixed by using the receiving cavity.

[0044] Preferably, the hanging ear 130 is arranged on a side of the ladder beam 110 close to the rock drilling machine frame, that is, the hanging ear 130 is arranged on the opposite side to the user climbing.

[0045] By arranging the hanging ear 130 on the back side of the ladder beam 110, it is kept away from the passage for users to go up and down, thereby avoiding the hanging ear 130 scratching the trouser legs, clothes, etc. of the users to create safety risks.

[0046] Regarding the method of using the flexible folding ladder of this embodiment, Figure 2 As shown, when the folding portion 200 needs to be folded, the second cross piece 220 is rotated upward from the bottom around the hinge axis on the flip block 240, and then the flexible connecting member 230 of the folding portion 200 is twisted to generate twisting.

[0047] At this time, one end of the second crosspiece 220 is inserted into the closed ear 130 of the ladder beam 110 on one side, and then the other end of the second crosspiece 220 is inserted into the closed ear 130 of the ladder beam 110 on the other side, and the folded folding part 200 is fixed and limited by the ear 130.

[0048] Correspondingly, when climbing is required by the flexible folding ladder, the folding portion 200 is put down, and the opening process of the folding portion 200 is the reverse process of the above-mentioned folding process, which will not be described in detail here.

[0049] In this embodiment, the flexible connector 230 may be in the form of a steel wire rope, a chain, a chain ring, rubber, or other alternative flexible materials.

[0050] The embodiment of the utility model further provides a rock drill, comprising a frame for supporting the rock drill assembly, and a ladder fixed to the rear of the frame. The ladder refers to the flexible folding ladder described in the above embodiment.

[0051] Specifically, a fixing bar 150 is provided at the upper free end and the lower part of the ladder beam 110 , and the flexible folding ladder is mounted on the vehicle frame through the fixing bar 150 .

[0052] By setting the flexible connector, the flexible folding ladder of this embodiment can not only meet the mandatory requirements of the relevant product standards and facilitate the use of users, but also prevent the ladder from being squeezed, deformed, or damaged when the rock drill is going downhill. In particular, it can solve the problem of ladder deformation and damage caused by forgetting to fold the ladder, and has a better effect on the reliability, convenience, and humanization of the equipment.

[0053] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A flexible folding ladder suitable for a rock drill, comprising: A fixing part (100) mounted on a frame of the rock drill; A folding portion (200), located below the fixing portion (100) and movably connected to the fixing portion (100); It is characterized in that the folding portion (200) comprises horizontally arranged crosspieces, and the crosspieces are connected in the vertical direction via flexible connectors (230).

2. The flexible folding ladder according to claim 1, characterized in that: The crossbar comprises a first crossbar (210) and a second crossbar (220) located below the first crossbar (210), and the flexible connector (230) is used to connect the ends of the first crossbar (210) and the second crossbar (220) on the same side.

3. The flexible folding ladder according to claim 2, characterized in that: The folding portion (200) comprises a flip block (240), one flip block (240) is respectively installed at both ends of the first crosspiece (210), and the folding portion (200) is hingedly connected to the fixing portion (100) via the flip block (240).

4. The flexible folding ladder according to claim 3, characterized in that: The fixing portion (100) comprises ladder beams (110) arranged vertically and symmetrically, pedals (120) are arranged at intervals between the ladder beams (110), and the pedals (120) are arranged in the same direction as the crosspieces.

5. The flexible folding ladder according to claim 4, characterized in that: The ladder beam (110) is provided with a hanging ear (130), the hanging ear (130) forms an accommodating cavity, and the two ends of the second crosspiece (220) are at least partially inserted into the accommodating cavity.

6. The flexible folding ladder according to claim 5, characterized in that: The hanging ear (130) is located on a side of the ladder beam (110) close to the rock drill frame.

7. The flexible folding ladder according to claim 4, characterized in that: The ladder beam (110) has a mounting seat (140) at the bottom, and one end of the flip block (240) away from the first crosspiece (210) is hinged to the mounting seat (140).

8. The flexible folding ladder according to claim 1, characterized in that: The flexible connecting member (230) is a steel wire rope, or a chain, or a chain link, or rubber.

9. A rock drill comprising: a frame for supporting the rock drill assembly; A ladder for getting on the vehicle, fixed to the rear of the vehicle frame; It is characterized in that the boarding ladder is a flexible folding ladder as described in any one of claims 1-8.

10. The rock drill according to claim 9, characterized in that A fixing bar (150) is provided at the free end of the ladder beam (110) of the flexible folding ladder, and the flexible folding ladder is connected to the vehicle frame via the fixing bar (150).

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