Cable crane monitoring instrument mounting structure

Abstract

The utility model discloses a cable crane monitoring instrument mounting structure, which relates to the technical field of tension monitoring and comprises a tension sensor component, and the tension sensor component comprises a mounting plate, a fixed side plate, a middle notch groove, a combined side plate, a fixed pulley, a force-measurable pulley and an auxiliary support component. The auxiliary supporting assembly comprises a middle downward pressing unit and an upward pressing supporting unit. By arranging the auxiliary supporting assembly, when the force-measurable pulley and the fixed pulley need to be replaced, the steel cable can be pressed through the auxiliary supporting assembly, so that the steel cable can still be kept in a stable wave shape after the force-measurable pulley and the fixed pulley are detached, and when a new force-measurable pulley and a new fixed pulley are installed, the steel cable can still be kept in a wave shape. The novel pulley capable of measuring the force and the fixed pulley are not subjected to extrusion force from the steel cable, and replacement operation is more convenient and easier.

Description

TECHNICAL FIELD

[0001] The utility model relates to tension monitoring technical field, concretely is cable crane monitoring instrument mounting structure. BACKGROUND

[0002] Cable crane, also known as cable crane or cableway crane, is a kind of hoisting equipment using high-strength steel cable as main bearing and moving structure, it is usually used for large-span hoisting operation across valley, river or other complex terrain, and is particularly suitable for large engineering construction projects (such as hydropower station, bridge, mine, etc.).

[0003] The safe operation of cable crane depends on the real-time monitoring of key parameters, and the monitoring items include steel cable tension monitoring, steel cable wear and broken wire detection, displacement and vibration monitoring, load monitoring, sling positioning and trajectory monitoring, weather monitoring, temperature monitoring, motor and transmission monitoring, brake state monitoring, etc.;

[0004] Among them, three-pulley tension sensor is one of commonly used monitoring instruments for steel cable tension monitoring, three-pulley tension sensor is usually composed of two fixed pulleys (used for guiding the direction of steel cable) and one middle measurable force pulley (integrating sensor), when steel cable passes through the three pulleys, the stress of middle pulley is proportional to the tension of steel cable, and the tension value can be inversely deduced by measuring the stress of the pulley.

[0005] Three-pulley tension sensor needs to be checked regularly, when three-pulley tension sensor appears wear, it needs to be replaced, therefore, in order to realize the convenient replacement of three-pulley tension sensor, a cable crane monitoring instrument mounting structure is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at: in order to solve the problem in the above background, provide cable crane monitoring instrument mounting structure.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: cable crane monitoring instrument mounting structure, including tension sensor assembly, the tension sensor assembly includes mounting plate, fixed side plate, middle part notched groove, combined side plate, fixed pulley, measurable force pulley, the fixed side plate is fixed to the top of mounting plate symmetry, the middle part notched groove is opened in the middle of fixed side plate and penetrates the top of middle part notched groove, two The combined side plate is fixedly connected through bolt and mounting plate, fixed side plate by being distributed to the side away from each other of two fixed side plates symmetry, the fixed pulley is installed in the middle of two combined side plates and is distributed in the inside of middle part notched groove, the measurable force pulley is connected with the outer wall of combined side plate through connecting arm, two The measurable force pulley is distributed on the oblique upper side of both ends of combined side plate symmetry, and the measurable force pulley is used for guiding the direction of steel cable, for monitoring the tension of steel cable;

[0008] The inner side of the fixed side plate and both ends are provided with auxiliary support assemblies, which are used for limiting and pressing the track of the steel cable when the fixed pulley and the measurable force pulley need to be replaced.

[0009] The auxiliary support assemblies comprise middle downward pressing units and upper pressing support units.

[0010] The middle downward pressing units are used for downward pressing and limiting the position of the steel cable close to the measurable force pulley when the middle downward pressing units are adjusted to move downward.

[0011] The upper pressing support units are used for upward pressing and supporting the position of the steel cable close to the fixed pulley when the upper pressing support units are adjusted to move upward.

[0012] As a further scheme of the utility model, the middle downward pressing unit comprises a downward pressing wheel, a locking bolt, a top plate and a downward pressing bolt.

[0013] The inner side of the fixed side plate is symmetrically provided with a large-diameter vertical groove with a middle gap groove as a center, and the downward pressing wheel is distributed on the inner side of the fixed side plate and is vertically and slidingly connected to the inner side of the large-diameter vertical groove through a central shaft.

[0014] The outer side of the combined side plate is provided with a small-diameter vertical groove in communication with the large-diameter vertical groove and in alignment, the locking bolt penetrates the small-diameter vertical groove, the central shaft of the downward pressing wheel and the outer side of the other combined side plate in sequence and is screwed with a nut in cooperation, so as to lock the horizontal height of the downward pressing wheel.

[0015] The top plate is fixed to the top of the fixed side plate through a bolt, and the downward pressing bolt is threadedly connected to the top plate, penetrates the top plate and is in close contact with the upper surface of the central shaft of the downward pressing wheel.

[0016] The downward pressing wheel is pressed downward by tightening the downward pressing bolt, so as to press downward the steel cable below the downward pressing wheel.

[0017] As a further scheme of the utility model, the upper pressing support unit comprises a connecting side plate, an inclined guide groove, an upper pressing wheel and an upper pressing bolt.

[0018] The connecting side plate is distributed at both ends of the fixed side plate and is symmetrically fixed to the top of the mounting plate, the inclined guide groove is provided on one side of the connecting side plate and completely penetrates the other side of the inclined guide groove, and the upper pressing wheel is distributed in the middle of the two inclined guide grooves and is slidingly connected to the inner side of the inclined guide groove through a rotating shaft.

[0019] The upper pressing bolt penetrates the connecting side plate from one end of the connecting side plate to the inner side of the inclined guide groove and is in close contact with the rotating shaft of the upper pressing wheel, and the upper pressing bolt is threadedly connected with the connecting side plate.

[0020] The upper pressing wheel is pushed and tilted to move up by pressing and rotating the upper pressing bolt, and the steel cable distributed above the upper pressing wheel is pressed and supported.

[0021] As a further scheme of the utility model: the lower pressing bolt corresponding to the lower pressing wheel is provided with two, and the upper pressing bolt corresponding to the upper pressing wheel is provided with two.

[0022] As a further scheme of the utility model: the side surface of the fixed side plate and the combined side plate is provided with corresponding bolt holes, and the top of the fixed side plate is provided with screw holes for mounting the top plate.

[0023] Both ends of the mounting plate are provided with mounting holes.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] When the measurable force pulley and the fixed pulley need to be replaced, the auxiliary supporting assembly is used to press the steel cable, so that the steel cable can still maintain a stable wave shape after the measurable force pulley and the fixed pulley are removed, and the new measurable force pulley and the fixed pulley are not subjected to extrusion force from the steel cable, so that the replacement operation is more convenient and easy. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a structural schematic view of the utility model;

[0027] Fig. 2 It is a split schematic view of the fixed pulley of the utility model;

[0028] Fig. 3 It is a split schematic view of the fixed pulley, the measurable force pulley and the combined side plate of the utility model;

[0029] Fig. 4 It is a sectional view of the inside structure of the mounting plate and the fixed side plate of the utility model;

[0030] Fig. 5 It is a structural front view of the steel cable passing through the tension sensor assembly of the utility model.

[0031] In the figure: 1, tension sensor assembly; 101, mounting plate; 102, fixed side plate; 103, middle notch groove; 104, large-diameter vertical groove; 105, combined side plate; 106, small-diameter vertical groove; 107, fixed pulley; 108, measurable force pulley; 2, auxiliary supporting assembly; 201, lower pressing wheel; 202, locking bolt; 203, top plate; 204, lower pressing bolt; 205, connecting side plate; 206, inclined guide groove; 207, upper pressing wheel; 208, upper pressing bolt; 3, steel cable. DETAILED DESCRIPTION

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figs. 1-5 In this embodiment of the utility model, the cable crane monitoring instrument installation structure includes a tension sensor assembly 1. The tension sensor assembly 1 includes a mounting plate 101, a fixed side plate 102, a central notch 103, a combined side plate 105, a fixed pulley 107, and a force-measuring pulley 108. The fixed side plate 102 is symmetrically fixed to the top of the mounting plate 101. The central notch 103 is formed in the middle of the fixed side plate 102 and extends through the top of the central notch 103. The two combined side plates 105 are symmetrically distributed on two... The fixed side plate 102 is fixedly connected to the mounting plate 101 and the fixed side plate 102 by bolts on the side that is far apart from each other. The fixed pulley 107 is installed in the middle of the two combined side plates 105 and distributed inside the central notch 103. The force-measuring pulley 108 is connected to the outer wall of the combined side plate 105 through the connecting arm. The two force-measuring pulleys 108 are symmetrically distributed at both ends of the combined side plate 105 and tilted above. The force-measuring pulley 108 is used to guide the direction of the steel cable 3, and 109 is used to monitor the tension of the steel cable 3.

[0034] Auxiliary support components 2 are provided on the inner side and both ends of the fixed side plate 102. When it is necessary to replace the fixed pulley 107 and the force-measuring pulley 108, the auxiliary support components 2 are used to limit and tighten the trajectory of the steel cable 3.

[0035] Auxiliary support component 2 includes a middle downward pressing unit and an upper pressing support unit;

[0036] When the middle pressing unit is adjusted and moved downward, it is used to press down and limit the position of the steel cable 3 near the force-measurable pulley 108;

[0037] When the upper support is adjusted upward, it is used to provide upper support for the position of the steel cable 3 near the fixed pulley 107;

[0038] The middle pressing unit includes a pressing roller 201, a locking bolt 202, a top plate 203, and a pressing bolt 204;

[0039] A large-diameter vertical groove 104 is symmetrically opened on the inner side of the fixed side plate 102 with the central notch groove 103 as the center. The pressure rollers 201 are distributed on the inner side of the fixed side plate 102 and the central axis of the pressure rollers 201 is vertically slidably connected to the inner side of the large-diameter vertical groove 104.

[0040] The small-diameter vertical slot 106 is provided on the outer side of the combined side plate 105 and communicates with the large-diameter vertical slot 104. The locking bolt 202 is sequentially threaded through the small-diameter vertical slot 106, the central shaft of the lower pressing wheel 201, and the outer side of the other combined side plate 105, and is screwed with the nut, so as to lock the horizontal height of the lower pressing wheel 201.

[0041] The top plate 203 is fixed on the top of the fixed side plate 102 by the bolt, and the lower pressing bolt 204 is threaded on the top plate 203 and penetrates the top plate 203 and is in close contact with the upper surface of the central shaft of the lower pressing wheel 201.

[0042] The lower pressing wheel 201 is pressed downward by tightening the lower pressing bolt 204, so as to press the steel cable 3 below the lower pressing wheel 201.

[0043] The upper pressing support unit includes a connecting side plate 205, an inclined guide slot 206, an upper pressing wheel 207, and an upper pressing bolt 208.

[0044] The connecting side plate 205 is symmetrically fixed on the top of the mounting plate 101 and is distributed at both ends of the fixed side plate 102. The inclined guide slot 206 is provided on one side of the connecting side plate 205 and penetrates the other side. The upper pressing wheel 207 is distributed in the middle of the two inclined guide slots 206, and the rotating shaft of the upper pressing wheel 207 is slidingly connected to the inner side of the inclined guide slot 206.

[0045] The upper pressing bolt 208 penetrates the connecting side plate 205 from one end of the connecting side plate 205 to the inner side of the inclined guide slot 206 and is in close contact with the rotating shaft of the upper pressing wheel 207. The upper pressing bolt 208 is in threaded connection with the connecting side plate 205.

[0046] The upper pressing wheel 207 is pressed and pushed to tilt and move upward by tightening the upper pressing bolt 208, so as to press and support the steel cable 3 distributed above the upper pressing wheel 207.

[0047] The fixed side plate 102 and the combined side plate 105 are provided with corresponding bolt holes on the side surface. The top of the fixed side plate 102 is provided with a screw hole for mounting the top plate 203. The two ends of the mounting plate 101 are provided with mounting holes.

[0048] In this embodiment: need to supplement that: tension sensor assembly 1 is installed and fixed on the cable crane through mounting plate 101, the cable of its cable crane 3 passes through the position where tension sensor assembly 1 is located, and the cable 3 passes through one fixed pulley 107 above, upper pressure wheel 207 above, lower pressure wheel 201 below, measurable force pulley 108 below, another lower pressure wheel 201 below, another upper pressure wheel 207 above and another fixed pulley 107 above in turn, wherein the fixed pulley 107, the measurable force pulley 108 are in close contact with the cable 3, the upper pressure wheel 207 and the lower pressure wheel 201 are in non-contact state with the cable 3, the center shaft of the measurable force pulley 108 adopts the shaft pin type sensor, and the force condition of the measurable force pulley 108 can be measured through the shaft pin type sensor, so that the tension value of the cable 3 can be inversely deduced;

[0049] When the measurable force pulley 108 and the fixed pulley 107 need to be replaced, the cable 3 can be compressed by the auxiliary support assembly 2, so that the cable 3 can still maintain a stable wave shape after the measurable force pulley 108 and the fixed pulley 107 are removed, and the compression of the cable 3 can be released after the new measurable force pulley 108 and the fixed pulley 107 are installed, and the operation method is as follows:

[0050] When the measurable force pulley 108 is replaced, the nut of the locking bolt 202 is loosened first to contact the locking state of the lower pressure wheel 201, at this time the lower pressure wheel 201 slides down a distance under the action of its own gravity and contacts the cable 3, then the lower pressure bolt 204 is tightened to make the lower pressure bolt 204 move down and contact the center shaft of the lower pressure wheel 201 and extrude the lower pressure wheel 201 to move down, so that the lower pressure wheel 201 further moves down and extrudes the cable 3, and finally the lower pressure wheel 201 is flush with the measurable force pulley 108, then the other lower pressure wheel 201 is adjusted to the same horizontal position, at this time the cable 3 still maintains the same horizontal height after the measurable force pulley 108 is removed, so that the new measurable force pulley 108 is convenient to install, and after the new measurable force pulley 108 is installed, the lower pressure wheel 201 is adjusted to the initial position, at this time the cable 3 is reset to the initial state and again closely adheres to the measurable force pulley 108;

[0051] When the fixed pulley 107 is replaced, the upper pressure bolt 208 is twisted by a tool to move the upper pressure bolt 208 to push the upper pressure wheel 207 to move upward along the inclined guide groove 206, and finally the upper pressure wheel 207 is flush with the horizontal height of the fixed pulley 107, at this time the horizontal height of the cable 3 does not change after the fixed pulley 107 is removed, and the upper pressure wheel 207 is reset after the new fixed pulley 107 is installed, the whole operation is simple and convenient.

[0052] Please refer to Figs. 1-4The two down-pressing bolts 204 corresponding to the down-pressing wheel 201 are provided with two, and the two up-pressing bolts 208 corresponding to the up-pressing wheel 207 are provided with two.

[0053] In the embodiment: through the structure of the two down-pressing bolts 204 and the two up-pressing bolts 208, enough extrusion and support force is provided, and then the two down-pressing bolts 204 (or the two up-pressing bolts 208) are adjusted step by step, so that the extrusion force is balanced.

[0054] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cable crane monitoring instrument mounting structure comprising a tension sensor assembly (1), characterised in that, The tension sensor assembly (1) comprises a mounting plate (101), fixed side plates (102), a middle gap groove (103), combined side plates (105), fixed pulleys (107), and measurable force pulleys (108). The fixed side plates (102) are symmetrically fixed to the top of the mounting plate (101). The middle gap groove (103) is arranged in the middle of the fixed side plates (102) and penetrates the top of the middle gap groove (103). Two combined side plates (105) are symmetrically arranged on the sides of the fixed side plates (102) away from each other and are fixedly connected to the mounting plate (101) and the fixed side plates (102) through bolts. The fixed pulleys (107) are arranged in the middle of the two combined side plates (105) and are distributed on the inner side of the middle gap groove (103). The measurable force pulleys (108) are connected to the outer wall of the combined side plates (105) through connecting arms. Two measurable force pulleys (108) are symmetrically arranged on the inclined upper sides of the two ends of the combined side plates (105) and are used for guiding the direction of the steel cable (3). The (109) is used for monitoring the tension of the steel cable (3). The inner side and both ends of the fixed side plate (102) are provided with an auxiliary supporting assembly (2). When the fixed pulleys (107) and the measurable force pulleys (108) need to be replaced, the auxiliary supporting assembly (2) is used for limiting and compressing the track of the steel cable (3). The auxiliary supporting assembly (2) comprises a middle downward pressing unit and an upper pressing supporting unit. When the middle downward pressing unit is adjusted to move downward, it is used for downwardly pressing and limiting the position of the steel cable (3) close to the measurable force pulley (108). When the upper pressing supporting unit is adjusted to move upward, it is used for upwardly pressing and supporting the position of the steel cable (3) close to the fixed pulley (107).

2. The cable crane monitoring instrument mounting structure according to claim 1, characterized in that, The middle downward pressing unit comprises a downward pressing wheel (201), locking bolts (202), a top plate (203), and downward pressing bolts (204). The inner side of the fixed side plate (102) is symmetrically provided with a large-diameter vertical groove (104) centered on the middle gap groove (103). The downward pressing wheel (201) is arranged on the inner side of the fixed side plate (102) and is vertically and slidingly connected to the inner side of the large-diameter vertical groove (104) through the central shaft. The outer side of the combined side plate (105) is provided with a small-diameter vertical groove (106) in communication with the large-diameter vertical groove (104) and aligned. The locking bolts (202) sequentially penetrate the small-diameter vertical groove (106), the central shaft of the downward pressing wheel (201), and the outer side of the other combined side plate (105) and are screwed with nuts, so as to lock the horizontal height of the downward pressing wheel (201). The top plate (203) is fixed to the top of the fixed side plate (102) through bolts. The downward pressing bolts (204) are threadedly connected to the top plate (203), penetrate the top plate (203), and are in close contact with the upper surface of the central shaft of the downward pressing wheel (201). By tightening the downward pressing bolts (204), the downward pressing wheel (201) is pressed to move downward, so as to press the steel cable (3) below the downward pressing wheel (201).

3. The cable crane monitoring instrument mounting structure according to claim 2, characterized in that, The upper pressing support unit comprises a connecting side plate (205), an inclined guide groove (206), an upper pressing wheel (207) and an upper pressing bolt (208); The connecting side plate (205) is symmetrically fixed on the top of the mounting plate (101) at both ends of the fixed side plate (102), the inclined guide groove (206) is arranged on one side of the connecting side plate (205) and penetrates the other side of the inclined guide groove (206), and the upper pressing wheel (207) is arranged between the two inclined guide grooves (206) and the rotating shaft of the upper pressing wheel (207) is slidably connected to the inner side of the inclined guide groove (206); The upper pressing bolt (208) penetrates the connecting side plate (205) from one end of the connecting side plate (205) to the inner side of the inclined guide groove (206) and is attached to the rotating shaft of the upper pressing wheel (207), and the upper pressing bolt (208) is threadedly connected with the connecting side plate (205); The upper pressing wheel (207) is tilted and moved upward by being pressed and pushed by the upper pressing bolt (208) being screwed, so as to press and support the steel cable (3) distributed above the upper pressing wheel (207).

4. The cable crane monitoring instrument mounting structure according to claim 3, characterized in that, The lower pressing bolt (204) corresponding to the lower pressing wheel (201) is provided with two, and the upper pressing bolt (208) corresponding to the upper pressing wheel (207) is provided with two.

5. The cable crane monitoring instrument mounting structure according to claim 1, characterized by, The side surface of the fixed side plate (102) and the combined side plate (105) is provided with corresponding bolt holes, and the top of the fixed side plate (102) is provided with screw holes for mounting the top plate (203); Both ends of the mounting plate (101) are provided with mounting holes.

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