Rotary table

Abstract

The utility model discloses a rotary table which comprises a bottom plate and a supporting body arranged on the bottom plate, and the supporting body is of a conical structure with a narrow upper portion and a wide lower portion. A first hinge structure is arranged at the top of the supporting body and used for being hinged to a mechanical arm of a concrete guniting vehicle. A second hinge structure is arranged on the side portion of the supporting body and / or the bottom plate and used for being hinged to pitching drive of the mechanical arm. The rotary table is applied to the field of engineering machinery, and the supporting main body with the conical structure is adopted, so that the rotary table is higher in strength and better in stability so as to cope with long-time and large-angle rotary operation of a mechanical arm, the reliability and the safety of a wet spraying machine in the construction process are effectively improved, and the wet spraying machine can efficiently run in a complex working environment.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to a rotary table. Background Art

[0002] Concrete spraying truck, also known as wet spraying machine, is a device designed for spraying concrete in tunnels or mines. Since wet spraying machine needs to cover a large angle and multi-directional working area during construction, the mechanical arm must have a rotation function to ensure a wider range of concrete spraying.

[0003] At present, a common way to realize the rotation of the robot arm is to set a turntable on the frame. However, the traditional turntable design usually directly sets support columns or two sets of ear plates on the turntable to support and connect the robot arm. During the rotation of the robot arm, the turntable often needs to bear large vertical and horizontal loads, and ordinary support columns or ear plates have certain safety hazards in the process of supporting the robot arm for a long time. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a turntable, which adopts a supporting body with a conical structure to make the turntable stronger and more stable so as to cope with long-term and large-angle rotation operations of the robot arm.

[0005] To achieve the above-mentioned purpose, the utility model provides a turntable, comprising a bottom plate and a supporting body arranged on the bottom plate, wherein the supporting body is a tapered structure that is narrow at the top and wide at the bottom;

[0006] A first hinge structure is provided on the top of the support body for articulating the mechanical arm of the concrete spraying vehicle;

[0007] A second hinge structure is provided on the side of the support body and / or the bottom plate for pitching and driving the hinged mechanical arm.

[0008] In one embodiment, the support body includes two support plates and two connecting rib plates;

[0009] The support plate is a trapezoidal plate or a triangular plate, the two support plates are symmetrically connected to the bottom plate, and the first hinge structure is arranged on the top of the support plate;

[0010] The connecting rib plate is a rectangular plate, and the two sides of the two support plates are connected via the connecting rib plate.

[0011] In one embodiment, the first hinge structure is a hinge hole provided on the top of the support plate.

[0012] In one of the embodiments, a reinforcement ring is provided on the support plate at a position corresponding to the hinge hole.

[0013] In one embodiment, the second hinge structure includes a connecting plate and a lug plate provided on the connecting plate;

[0014] The connecting plate is a rectangular plate, the left and right ends of the connecting plate are respectively connected to the two supporting plates, the bottom end of the connecting plate is connected to the bottom plate, and the top end of the connecting plate is connected to a connecting rib plate.

[0015] In one embodiment, the side ends of the ear plates are connected to the connecting plate, and the bottom ends of the ear plates are connected to the bottom plate.

[0016] In one embodiment, a sunken clearance groove is provided on the top of the connecting rib plate.

[0017] In one embodiment, the support body further includes a reinforcing rib plate;

[0018] The reinforcing rib plate is a rectangular plate, and the reinforcing rib plate is respectively connected to the two supporting plates and the two connecting rib plates.

[0019] In one of the embodiments, hollow grooves are provided on the bottom plate, the support plate, the connecting rib plate and / or the reinforcing rib plate.

[0020] In one embodiment, the support body further includes side panels corresponding to the support panels one by one;

[0021] The side panel is a bent plate or an arc-shaped plate, both ends of the side panel are connected to the outer wall of the corresponding support plate, and the bottom of the side panel is connected to the bottom plate.

[0022] Compared with the prior art, the utility model has the following beneficial technical effects:

[0023] 1. The turntable in the utility model adopts a conical structure support body, which makes the turntable stronger and more stable, so as to cope with the long-term and large-angle mechanical arm rotation operation, effectively improve the reliability and safety of the wet spraying machine during the construction process, and ensure its efficient operation in a complex working environment;

[0024] 2. In the preferred embodiment of the utility model, four plates are welded together to form the supporting body, and there is no high requirement for welding. The structure is simple and easy to weld and assemble, thus saving materials and working hours. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0026] Figure 1 It is an axonometric diagram of the turntable in the embodiment of the utility model;

[0027] Figure 2 It is a front view of the turntable in the embodiment of the utility model;

[0028] Figure 3 A top view of the turntable in the embodiment of the utility model;

[0029] Figure 4 A bottom view of the turntable in the embodiment of the utility model;

[0030] Figure 5 It is an assembly structure diagram of the turntable in the embodiment of the utility model.

[0031] Figure numbers: base plate 1, first hinge structure 2, second hinge structure 3, connecting plate 301, ear plate 302, support plate 4, reinforcement ring 401, connecting rib plate 5, make way groove 501, reinforcement rib plate 6, side panel 7, hollow groove 8, robotic arm 9, robotic arm pitch drive 10.

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, a physical connection, or a wireless communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] like Figures 1 to 4 The turntable disclosed in this embodiment is shown, which mainly includes a bottom plate 1 and a supporting body arranged on the bottom plate 1, and the supporting body is a tapered structure that is narrow at the top and wide at the bottom. By adopting the supporting body with a tapered structure, the turntable has higher strength and better stability to cope with the long-term and large-angle rotation operation of the mechanical arm 9, effectively improve the reliability and safety of the wet spraying machine during the construction process, and ensure that it can operate efficiently in a complex working environment.

[0039] Specifically, a first hinge structure 2 is provided on the top of the support body, and a second hinge structure 3 is provided on the side of the support body and / or the bottom plate 1. The first hinge structure 2 is used to articulate the mechanical arm 9 on the concrete shotcrete vehicle, and the second hinge structure 3 is used to articulate the mechanical arm pitch drive 10 on the concrete shotcrete vehicle, that is, Figure 5 shown.

[0040] In the specific implementation process, the support body includes two support plates 4 and two connecting ribs 5. The support plate 4 is a trapezoidal plate or a triangular plate. The two support plates 4 are symmetrically connected to the bottom plate 1 by welding. The first hinge structure 2 is a hinge hole opened on the top of the two support plates 4. The connecting rib 5 is a rectangular plate. The two sides of the two support plates 4 are connected by the connecting rib 5, that is, the two sides of the connecting rib 5 are welded to the inner walls of the two support plates 4, thereby forming a support body of a hollow quadrangular pyramid structure. The support body is formed by welding four plates, and there is no high requirement for welding. The structure is simple and easy to weld and assemble, thereby saving materials and working hours.

[0041] In this embodiment, the bottom end of one of the two connecting ribs 5 is directly welded and fixed to the bottom plate 1, and there is a gap between the bottom end of the other connecting rib 5 and the bottom plate 1 for arranging the second hinge structure 3. Specifically, the second hinge structure 3 includes a connecting plate 301 and an ear plate 302 provided on the connecting plate 301. The connecting plate 301 is a rectangular plate, the left and right ends of the connecting plate 301 are respectively connected to the two support plates 4, the bottom end of the connecting plate 301 is connected to the bottom plate 1, and the top end of the connecting plate 301 is connected to a connecting rib 5. Preferably, the side end of the ear plate 302 is connected to the connecting plate 301, and the bottom end of the ear plate 302 is connected to the bottom plate 1, so that the load of the ear plate 302 in the process of supporting the pitch drive 10 of the mechanical arm is transmitted to the supporting body and the bottom plate 1, thereby improving the service life of the ear plate 302. Of course, in a specific application process, the ear plate 302 can also be directly used as the second hinge structure 3, that is, the connecting rib plate 5 on the corresponding side of the ear plate 302 is extended to be welded to the bottom plate 1, and then the ear plate 302 is welded to the connecting rib plate 5.

[0042] As a preferred embodiment, a reinforcement ring 401 is provided at a position corresponding to the hinge hole on the support plate 4 to disperse the load and resist impact and vibration.

[0043] As a preferred embodiment, the support body further includes a reinforcing rib plate 6, which is a rectangular plate, and the reinforcing rib plate 6 is respectively welded and fixed to the two support plates 4 and the two connecting rib plates 5 to further improve the structural strength of the support body.

[0044] As a preferred embodiment, the support body also includes side panels 7 corresponding to the support plates 4 one by one, the side panels 7 are bent plates or arc-shaped plates, both ends of the side panels 7 are connected to the outer walls of the corresponding support plates 4, and the bottom of the side panels 7 is connected to the bottom plate 1 to further improve the structural strength of the support body.

[0045] As a preferred embodiment, hollow grooves 8 are provided on the bottom plate 1, the support plate 4, the connecting rib plate 5 and / or the reinforcing rib plate 6 to reduce the weight of the turntable. Specifically in this embodiment, at least one hollow groove 8 is provided on the bottom plate 1, the support plate 4, the connecting rib plate 5 and the reinforcing rib plate 6.

[0046] As a preferred embodiment, a sunken clearance groove 501 is provided on the top of the connecting rib plate 5 to avoid interference with the mechanical arm 9 hinged on the top of the support plate 4.

[0047] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A turntable, characterized in that: It comprises a bottom plate and a supporting body arranged on the bottom plate, wherein the supporting body is a tapered structure narrow at the top and wide at the bottom; A first hinge structure is provided on the top of the support body for articulating the mechanical arm of the concrete spraying vehicle; A second hinge structure is provided on the side of the support body and / or the bottom plate for driving the pitch of the hinged mechanical arm; The supporting body comprises two supporting plates and two connecting rib plates; The support plate is a trapezoidal plate or a triangular plate, the two support plates are symmetrically connected to the bottom plate, and the first hinge structure is arranged on the top of the support plate; The connecting rib plate is a rectangular plate, and the two sides of the two support plates are connected via the connecting rib plate.

2. The turntable according to claim 1, characterized in that: The first hinge structure is a hinge hole arranged on the top of the support plate.

3. The turntable according to claim 2, characterized in that: A reinforcement ring is provided on the support plate at a position corresponding to the hinge hole.

4. The turntable according to claim 1, 2 or 3, characterized in that: The second hinge structure includes a connecting plate and a lug plate provided on the connecting plate; The connecting plate is a rectangular plate, the left and right ends of the connecting plate are respectively connected to the two supporting plates, the bottom end of the connecting plate is connected to the bottom plate, and the top end of the connecting plate is connected to a connecting rib plate.

5. The turntable according to claim 4, characterized in that: The side ends of the ear plates are connected to the connecting plates, and the bottom ends of the ear plates are connected to the bottom plates.

6. The turntable according to claim 1, 2 or 3, characterized in that: A sunken relief groove is arranged on the top of the connecting rib plate.

7. The turntable according to claim 1, 2 or 3, characterized in that: The support body also includes a reinforcing rib plate; The reinforcing rib plate is a rectangular plate, and the reinforcing rib plate is respectively connected to the two supporting plates and the two connecting rib plates.

8. The turntable according to claim 7, characterized in that: The bottom plate, the support plate, the connecting rib plate and / or the reinforcing rib plate are provided with hollow grooves.

9. The turntable according to claim 1 or 2 or 2, characterized in that: The support body also includes side panels corresponding to the support panels one by one; The side panel is a bent plate or an arc-shaped plate, both ends of the side panel are connected to the outer wall of the corresponding support plate, and the bottom of the side panel is connected to the bottom plate.

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