Pull rope type rotation angle detection device and trolley

Abstract

The utility model discloses a pull rope type rotation angle detection device and a trolley. The pull rope type rotation angle detection device comprises a rotation assembly and a pull rope displacement sensor which are arranged on a trolley frame. The pull rope displacement sensor is arranged on the frame and adjacent to the rotary assembly, and a steel wire rope guide groove is formed in the outer wall of the rotary assembly in the circumferential direction; the tail end of a pull rope of the pull rope displacement sensor is fixedly connected to the end of the steel wire rope guide groove, and the pull rope steel wire rope guide groove of the pull rope displacement sensor is embedded into the steel wire rope guide groove. The device is applied to the field of angle measurement, can quickly and accurately measure the rotation angle of the rotation assembly, does not need to depend on the operation technology of an operator, and improves the accuracy and safety of construction operation.

Description

Technical Field

[0001] The utility model relates to the technical field of angle measurement, in particular to a rope-pulling type rotation angle detection device and a trolley. Background Art

[0002] The crank arm of the drilling rig is mostly installed on the frame through a slewing mechanism. At present, most drilling rigs do not have a separate angle detection mechanism to detect the slewing angle of the crank arm. Instead, the operator relies on visual observation at the construction site and uses a remote control to manually control the rotation of the slewing mechanism. This method is not accurate in slewing angle control and is highly dependent on the operator's operating skills. The operator's working environment is not safe and has certain safety hazards. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a pull-rope type rotation angle detection device and a trolley, which can quickly and accurately measure the rotation angle of the rotation component without relying on the operating skills of the operator, thereby improving the accuracy and safety of construction operations.

[0004] To achieve the above-mentioned purpose, the utility model provides a pull-rope type rotation angle detection device, comprising a rotation assembly and a pull-rope displacement sensor arranged on a vehicle frame;

[0005] The pull rope displacement sensor is arranged on the frame and adjacent to the slewing assembly, and a wire rope guide groove along the circumferential direction is arranged on the outer wall of the slewing assembly;

[0006] The end of the pull rope of the pull rope displacement sensor is fixedly connected to the end of the wire rope guide groove, and the pull rope of the pull rope displacement sensor is embedded in the wire rope guide groove.

[0007] In one embodiment, a guide rail is detachably provided on the outer wall of the slewing assembly, and the wire rope guide groove is provided on the guide rail.

[0008] In one of the embodiments, the rope inlet and outlet on the rope displacement sensor is flush with the height of the wire rope guide groove.

[0009] In one embodiment, the pull-rope type rotation angle detection device further includes a guide shaft, wherein the guide shaft is parallel to the height direction of the frame;

[0010] The guide shaft is arranged on the frame, and the guide shaft is located between the pull rope displacement sensor and the rotary assembly.

[0011] In one embodiment, the pull-rope type rotation angle detection device further includes a guide wheel, the guide wheel is rotatably connected to the frame, and the rotation axis direction of the guide wheel is parallel to the height direction of the frame;

[0012] The guide wheel is located between the guide shaft and the rotary assembly.

[0013] In one of the embodiments, a bracket is provided on the vehicle frame, and the pull rope displacement sensor is fixed on the bracket.

[0014] In one embodiment, the slewing assembly includes a slewing table located on the top of the frame;

[0015] The wire rope guide groove is arranged on the side of the turntable, and the pull rope displacement sensor is arranged on the top of the frame.

[0016] In one embodiment, the swivel assembly includes a swivel sleeve located inside the frame;

[0017] The wire rope guide groove is arranged on the side of the rotary sleeve, and the pull rope displacement sensor is arranged inside the frame.

[0018] In one embodiment, a protective cover with an opening at one end is provided on the frame, and the opening of the protective cover faces the slewing assembly;

[0019] The pull-wire displacement sensor is located inside the protective cover.

[0020] In order to achieve the above-mentioned purpose, the utility model also provides a trolley, on which the above-mentioned sliding rotation detection mechanism is provided.

[0021] Compared with the prior art, the utility model has the following beneficial technical effects:

[0022] 1. The utility model sets a pull rope displacement sensor on the frame, and connects the end of the pull rope of the pull rope displacement sensor to the slewing assembly. When the slewing assembly rotates, the pull rope on the pull rope displacement sensor can be extended or retracted to a certain length. The pull rope displacement sensor obtains the length change of the pull rope, and can obtain the slewing angle in combination with the slewing radius of the slewing assembly, without relying on the operator's operating skills, thereby improving the accuracy and safety of the construction operation;

[0023] 2. The utility model provides a circumferential wire rope guide groove on the outer wall of the rotary assembly, and embeds the pull rope on the pull rope displacement sensor into the wire rope guide groove, thereby preventing the pull rope from moving vertically on the outer wall of the rotary assembly during the rotation of the rotary assembly, thereby ensuring the final measurement accuracy;

[0024] 3. In the preferred embodiment of the utility model, a guide shaft and a guide wheel are arranged between the rotating assembly and the rope displacement sensor, so that when the rope end of the rope displacement sensor follows the rotating assembly to rotate to face away from the rope entrance and exit, it plays a good guiding role, avoiding the direction of the rope entrance and exit interfering with the extension and retraction of the rope, thereby avoiding damage to the rope displacement sensor. 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 This is a schematic diagram of the overall structure of the rope-pull type rotation angle detection device in Example 1 of the utility model;

[0027] Figure 2 It is a schematic diagram of the partial structure of the rope-pull type rotation angle detection device in Example 1 of the utility model.

[0028] Figure numbers: frame 1, slewing assembly 2, rope displacement sensor 3, rope end 301, rope 302, wire rope guide groove 4, guide rail 5, guide shaft 6, guide wheel 7, bracket 8.

[0029] 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

[0030] 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.

[0031] 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.

[0032] 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.

[0033] 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.

[0034] 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.

[0035] Example 1

[0036] like Figure 1 , Figure 2 The figure shows a pull-rope type rotation angle detection device disclosed in the present embodiment, which mainly includes a rotation assembly 2 and a pull-rope displacement sensor 3 arranged on a vehicle frame 1. The pull-rope displacement sensor 3 is arranged on the vehicle frame 1 and is adjacent to the rotation assembly 2. A wire rope guide groove 4 along the circumferential direction is arranged on the outer wall of the rotation assembly 2. The pull rope end 301 of the pull-rope displacement sensor 3 is fixedly connected to the end of the wire rope guide groove 4, and the pull rope 302 of the pull-rope displacement sensor 3 is embedded in the wire rope guide groove 4.

[0037] Since the end 301 of the pull rope is connected to the slewing assembly 2, when the slewing assembly 2 rotates, the pull rope 302 on the pull rope displacement sensor 3 is extended or retracted to a certain length. The pull rope displacement sensor 3 obtains the length change of the pull rope 302, and can obtain the rotation angle in combination with the rotation radius of the slewing assembly 2, without relying on the operation skills of the operator, thereby improving the accuracy and safety of the construction operation. At the same time, since a wire rope guide groove 4 is provided, the pull rope 302 on the pull rope displacement sensor 3 is embedded in the wire rope guide groove 4 to prevent the pull rope 302 from moving vertically along the outer wall of the slewing assembly 2 during the rotation of the slewing assembly 2, thereby ensuring the final measurement accuracy. In the specific application process, the pull rope displacement sensor 3 can adopt a conventional model on sale, so this embodiment will not repeat its implementation structure and measurement principle.

[0038] In the specific implementation process, the guide rail 5 is detachably mounted on the outer wall of the rotating component 2 by bolts or screws, the wire rope guide groove 4 is opened on the guide rail 5, and the rope end 301 of the rope displacement sensor 3 is connected to the end of the guide rail 5 by fasteners such as bolts.

[0039] As a preferred embodiment, the rope entrance and exit on the rope displacement sensor 3 is flush with the height of the wire rope guide groove 4 to avoid vertical friction between the rope 302 and the guide rail 5 during extension or retraction, thereby improving the overall service life of the detection device.

[0040] When the rope displacement sensor 3 is fixed on the vehicle frame 1, the direction of the rope entrance and exit is fixed. When the rope end 301 of the rope displacement sensor 3 rotates with the rotary assembly 2 to face away from the rope entrance and exit, it will interfere with the direction of the rope entrance and exit, which may easily cause the rope entrance and exit to deform and damage the rope displacement sensor 3. Therefore, in this embodiment, it is preferred to set a guide shaft 6 on the vehicle frame 1, the guide shaft 6 is parallel to the height direction of the vehicle frame 1, and the guide shaft 6 is located between the rope displacement sensor 3 and the rotary assembly 2. When the rope end 301 rotates with the rotary assembly 2 to face away from the rope entrance and exit, the direction of the rope 302 is changed by the guide shaft 6, thereby avoiding interference with the rope entrance and exit.

[0041] Further preferably, the frame 1 is provided with a guide wheel 7, which is rotatably connected to the frame 1, and the rotation axis direction of the guide wheel 7 is parallel to the height direction of the frame 1. The guide wheel 7 is located between the guide shaft 6 and the slewing assembly 2. When the pull rope end 301 rotates with the slewing assembly 2 to face away from the pull rope entrance and exit, the pull rope 302 first changes direction through the guide shaft 6, and then is further guided by the guide wheel 7, so as to avoid the pull rope 302 from changing direction too much at a single time, reduce the friction between the pull rope 302 and the guide shaft 6, and make the operation process of the detection device smoother.

[0042] It is worth noting that in the specific application process, it is not limited to the method of setting up one guide shaft and one guide wheel. It is also possible to set up more than two guide shafts, or only set up more than two guide wheels, or set up more than two guide shafts and more than two guide wheels at the same time.

[0043] In the specific implementation process, a bracket 8 is fixedly installed on the frame 1 by bolts or welding, and the pull rope displacement sensor 3 is fixed on the bracket 8 to raise the height of the pull rope displacement sensor 3 so that the pull rope inlet and outlet are flush with the wire rope guide groove 4. Among them, the guide shaft 6 and the guide wheel 7 can be set on the bracket 8 or directly on the frame 1.

[0044] In this embodiment, the slewing assembly 2 includes a slewing sleeve located in the frame 1 and a slewing table located on the top of the frame 1, a wire rope guide groove 4 is provided on the side of the slewing table, and a pull rope displacement sensor 3 is provided on the top of the frame 1, that is, Figure 1 Alternatively, the wire rope guide groove 4 can be arranged on the side of the rotary sleeve, and the pull rope displacement sensor 3 can be arranged inside the vehicle frame 1, so as to make full use of the internal space of the vehicle.

[0045] As a preferred embodiment, a protective cover with an opening at one end is provided on the frame 1, and the opening of the protective cover faces the slewing assembly 2, and the pull-wire displacement sensor 3 is located inside the protective cover to prevent the pull-wire displacement sensor 3 from being damaged by external flying objects.

[0046] Example 2

[0047] This embodiment discloses a trolley having the sliding rotary detection mechanism in Embodiment 1, wherein the trolley can be a rock drilling trolley or an anchor trolley, etc.

[0048] 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 pull-rope type rotation angle detection device, characterized in that: It includes a slewing assembly and a pull rope displacement sensor arranged on the frame; The pull rope displacement sensor is arranged on the frame and adjacent to the slewing assembly, and a wire rope guide groove along the circumferential direction is arranged on the outer wall of the slewing assembly; The end of the pull rope of the pull rope displacement sensor is fixedly connected to the end of the wire rope guide groove, and the pull rope of the pull rope displacement sensor is embedded in the wire rope guide groove.

2. The pull-rope type rotation angle detection device according to claim 1, characterized in that: A guide rail is detachably provided on the outer wall of the slewing assembly, and the wire rope guide groove is arranged on the guide rail.

3. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: The pull rope inlet and outlet on the pull rope displacement sensor is flush with the height of the wire rope guide groove.

4. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: It also includes a guide shaft, wherein the guide shaft is parallel to the height direction of the frame; The guide shaft is arranged on the frame, and the guide shaft is located between the pull rope displacement sensor and the rotary assembly.

5. The pull-rope type rotation angle detection device according to claim 4, characterized in that: It also includes a guide wheel, which is rotatably connected to the frame, and the rotation axis direction of the guide wheel is parallel to the height direction of the frame; The guide wheel is located between the guide shaft and the rotary assembly.

6. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: The frame is provided with a bracket, and the pull rope displacement sensor is fixed on the bracket.

7. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: The slewing assembly includes a slewing table located on the top of the frame; The wire rope guide groove is arranged on the side of the turntable, and the pull rope displacement sensor is arranged on the top of the frame.

8. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: The swivel assembly includes a swivel sleeve located inside the frame; The wire rope guide groove is arranged on the side of the rotary sleeve, and the pull rope displacement sensor is arranged inside the frame.

9. The pull-rope type rotation angle detection device according to claim 1 or 2, characterized in that: The frame is provided with a protective cover with an opening at one end, and the opening of the protective cover faces the slewing assembly; The pull-wire displacement sensor is located inside the protective cover.

10. A trolley, characterized in that: The trolley is provided with a rope-type rotation angle detection device as described in any one of claims 1 to 9.

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