Tower crane operation safety supervision device

Abstract

The utility model belongs to the field of tower crane safety, and discloses a tower crane operation safety supervision device which comprises a self-adaption mechanism, the self-adaption mechanism comprises two self-adaption units which are arranged up and down, each self-adaption unit comprises a box body and a horizontal adjusting assembly, the opening directions of the two box bodies correspond to each other, and each horizontal adjusting assembly comprises a horizontal plate, a sliding ball, a sliding rail and a balancing weight. Sliding balls are fixed to the periphery of the horizontal plate respectively, a plurality of sections of sliding rails corresponding to the sliding balls respectively are fixed in the box body, the sliding balls are arranged in the sliding rails in a sliding fit mode, and the balancing weight is fixed to the bottom of the horizontal plate. The sensing mechanism comprises an infrared transmitter and an infrared receiver, the infrared transmitter is fixed to the bottom of the balancing weight located on the upper portion, and the infrared receiver is fixed to the top of the horizontal plate located on the lower portion; and the connecting mechanism comprises two connecting assemblies which are in one-to-one correspondence with the box bodies, and the connecting assemblies are provided with horizontal bubble instruments. And through the arrangement of the self-adaptive mechanism, the sensing mechanism can detect that the tower crane is laterally inclined even if the tower crane is wholly inclined.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tower crane safety technical field, concretely relates to a tower crane operation safety supervision device. BACKGROUND

[0002] Tower crane is the hoisting equipment commonly used in the construction site, and its structural strength and reliability directly affect the safety of the construction, in order to ensure that the tower crane can operate safely, need to install monitoring and management device on the tower body of the tower crane, and the inclination of the tower crane standard section is supervised.

[0003] The Chinese patent with publication number CN215666703U discloses a tower crane deflection monitoring device, which comprises an infrared emitter, an infrared receiver, a controller and an alarm, the infrared emitter is connected with a first mounting seat, the first mounting seat is used to be connected with the upper end of the tower body; the infrared receiver is connected with a second mounting seat, the second mounting seat is used to be connected with the lower end of the tower body; the controller is connected with the infrared receiver and the alarm. Once the tower crane deflection occurs, the infrared receiver cannot receive the infrared emitted by the infrared emitter, at this time the controller controls the alarm to alarm. The device has the effects of facilitating the monitoring of the tower crane deflection, reducing the probability of the tower crane overturning and improving the safety of the tower crane use.

[0004] But in the actual use process, the deflection of the tower crane standard section not only exists between the upper standard section and the lower standard section due to its own strength and other factors, but also may cause the overall deflection of the tower crane due to the settlement of the foundation, and in the case of the overall deflection of the tower crane, the upper standard section and the lower standard section always remain parallel and are located on the same straight line, which further causes that the first mounting seat and the second mounting seat cannot detect the deflection of the tower crane through the infrared emitter and the infrared receiver, that is, the deflection monitoring of the above-mentioned scheme for the tower crane is not perfect, and the deflection of the tower crane cannot be comprehensively monitored and managed. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a tower crane operation safety supervision device to solve the problem of the above-mentioned prior art that the deflection monitoring of the tower crane is not perfect.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tower crane operation safety supervision device, comprising

[0007] The self-adaptive mechanism comprises two self-adaptive units arranged vertically, the self-adaptive unit comprises a box body and a horizontal adjusting assembly, the cross section of the box body is U-shaped, and the openings of the two box bodies face each other, the horizontal adjusting assembly comprises a horizontal plate, a sliding ball, a sliding rail and a counterweight, the four perimeters of the horizontal plate are respectively fixed with the sliding balls, a plurality of sliding rails corresponding to the sliding balls are fixed in the box body, the sliding ball is slidingly matched in the sliding rail, and the counterweight is fixed to the bottom of the horizontal plate;

[0008] The sensing mechanism comprises an infrared emitter and an infrared receiver, the infrared emitter is fixed to the bottom of the counterweight located above, and the infrared receiver is fixed to the top of the horizontal plate located below.

[0009] The connecting mechanism comprises two connecting assemblies corresponding to the box bodies respectively, and the horizontal bubble apparatus is installed on the connecting assemblies.

[0010] The principle and effects of the technical scheme are as follows:

[0011] 1. By installing the sliding ball and the sliding rail around the horizontal plate, the horizontal plate can be kept in a horizontal state in the sliding rail without external force, and by arranging the counterweight, the horizontal plate can be kept horizontal automatically, and by arranging the infrared receiver and the infrared emitter on the adaptive unit, the infrared receiver and the infrared emitter can be kept vertical by the automatic leveling adjustment of the horizontal plate, and when the tower crane standard section tilts, the projection on the horizontal plane of the upper and lower ends corresponding to the same straight line is different due to the different lengths, so that the infrared emitter moves farther on the horizontal plane relative to the infrared receiver, thereby the device can send an abnormal signal and alarm when the tower crane tilts, and the device is applicable to the overall tilt or local tilt of the tower crane, and the application range and adjustment are more extensive.

[0012] 2. The sensing mechanism is arranged on the outer column of the tower crane standard section at the bottom and the top by the connecting mechanism, so that the sensing mechanism can monitor and manage the tilt of the tower crane, and the adaptive mechanism can be kept in a horizontal state during installation by arranging the horizontal bubble apparatus, so that the infrared emitter and the infrared receiver can correspond at the beginning, thereby the infrared emitter and the infrared receiver deviate to play an alarm function when subsequent tilting.

[0013] The utility model further sets up: the adaptive unit still includes dustproof board, dustproof board installs at the opening of box body, and the dustproof board is provided with light transmission hole.

[0014] The principle and effects of the technical scheme are as follows: the arrangement of the dustproof plate can prevent impurities, dust and other sundries from entering the box body, and the arrangement of the light transmission hole reduces the occurrence of the situation that the infrared receiver can still receive signals after the inclination angle changes due to light refraction and scattering, thereby improving the accuracy.

[0015] The utility model further sets up: the connecting assembly includes connecting frame and locking bolt, one side of connecting frame has clamping groove, locking bolt is screwed into the side wall of connecting frame, and the end extends into the clamping groove, the box body is installed on the side of connecting frame away from the clamping groove, and the horizontal bubble apparatus is installed on the top of connecting frame.

[0016] The principle and effects of the technical scheme are as follows: the clamping groove is clamped with the outer frame column of the tower crane standard section, and the outer frame column is abutted by the locking bolt, so that the connecting frame and the box body are fixed outside the tower crane, and the horizontal condition of the connecting frame is observed by the horizontal bubble instrument, and then the tightness and position adjustment are carried out, so that the box body can be kept in a horizontal state.

[0017] The utility model further sets up: the side wall of connecting frame is equipped with the gap for making room for the communication of clamping groove, the intercepting screw rod is rotatably installed in the gap for making room, the end of intercepting screw rod is equipped with intercepting nut, and the inner wall of intercepting nut is abutted with the outer wall of connecting frame far from the rotating end of intercepting screw rod.

[0018] The principle and effects of the technical scheme are as follows: the clamping groove is clamped with the outer frame column of the tower crane standard section, and the outer frame column is abutted by the locking bolt, so that the connecting frame and the box body are fixed outside the tower crane, and the horizontal condition of the connecting frame is observed by the horizontal bubble instrument, and then the tightness and position adjustment are carried out, so that the box body can be kept in a horizontal state.

[0019] The utility model further sets up: the side wall of connecting frame is equipped with the gap for making room for the communication of clamping groove, the intercepting screw rod is rotatably installed in the gap for making room, the end of intercepting screw rod is equipped with intercepting nut, and the inner wall of intercepting nut is abutted with the outer wall of connecting frame far from the rotating end of intercepting screw rod.

[0020] The principle and effects of the technical scheme are as follows: the clamping groove is clamped with the outer frame column of the tower crane standard section, and the outer frame column is abutted by the locking bolt, so that the connecting frame and the box body are fixed outside the tower crane, and the horizontal condition of the connecting frame is observed by the horizontal bubble instrument, and then the tightness and position adjustment are carried out, so that the box body can be kept in a horizontal state.

[0021] The utility model further sets up: the side wall of connecting frame is equipped with the gap for making room for the communication of clamping groove, the intercepting screw rod is rotatably installed in the gap for making room, the end of intercepting screw rod is equipped with intercepting nut, and the inner wall of intercepting nut is abutted with the outer wall of connecting frame far from the rotating end of intercepting screw rod.

[0022] The principle and effects of the technical scheme are as follows: the guiding block is limited and guided by the guiding groove, so that the box body is more stable and reliable when being driven to move by the nut seat, and the torsional force borne by the box body can be shared.

[0023] The utility model further sets up: the outer wall of connecting frame is made with scale along the length direction of adjusting cavity.

[0024] The principle and effects of the technical scheme are as follows: the setting of the scale is convenient for the operator to observe and record the distance of the upper and lower box bodies relative to the tower crane standard section outer frame, and then the inclination angle is quickly calculated through the height of the upper and lower box bodies and the distance of the box body relative to the standard section outer frame. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the front view structural drawing of the utility model;

[0026] Figure 2 It is Figure 1 It is the sectional view structural enlarged drawing at the upper box body;

[0027] Figure 3 It is Figure 1 It is the sectional view structural enlarged drawing at the lower box body;

[0028] Figure 4 It is Figure 3 It is the structural drawing at the horizontal plate;

[0029] Figure 5 It is Figure 1 It is the overhead enlarged drawing at the connecting frame in the lower side;

[0030] Figure 6 It is Figure 5 It is the side view at the clamping groove. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in connection with the drawings and embodiments:

[0032] The reference signs in the drawings of the specification include: 101, box body; 102, dustproof plate; 103, light transmission hole; 201, horizontal plate; 202, sliding ball; 203, sliding rail; 204, counterweight; 301, infrared emitter; 302, infrared receiver; 401, connecting frame; 402, locking bolt; 403, clamping groove; 404, accommodation gap; 405, intercepting screw; 406, intercepting nut; 407, horizontal bubble instrument; 408, adjusting cavity; 409, hand screw cap; 410, lead screw; 411, nut seat; 412, guiding groove; 413, guiding block.

[0033] Embodiment:

[0034] As shown in the accompanying drawings Figures 1-6The utility model discloses a tower crane operation safety supervision device, including adaptive mechanism, sensing mechanism and connecting mechanism, adaptive mechanism includes two adaptive units that are arranged in up and down, and adaptive unit includes box body 101, dustproof board 102 and horizontal adjusting assembly, the cross section of box body 101 is U shape, and the opening of two box body 101 is towards corresponding, and horizontal adjusting assembly includes horizontal board 201, slide ball 202, slide rail 203 and counterweight 204, and the periphery of horizontal board 201 is fixed with slide ball 202 respectively, and the inside fixed of box body 101 has the slide rail 203 of corresponding multiple sections with slide ball 202, and slide ball 202 is slidably fitted in slide rail 203, and counterweight 204 is fixed in the bottom of horizontal board 201, and dustproof board 102 is installed in the opening of box body 101, and the dustproof board 102 is opened in and has the light hole 103.

[0035] Sensing mechanism includes infrared emitter 301 and infrared receiver 302, and infrared emitter 301 is fixed in the bottom of counterweight 204 located above, and infrared receiver 302 is fixed in the top of horizontal board 201 located below,

[0036] In which, infrared emitter 301 is fixed in the bottom of counterweight 204 above and spontaneously vertical downward, and infrared receiver 302 is fixed on horizontal board 201 below and spontaneously horizontal over, and the bottom box body 101 has PLC control module and portable power supply, and PLC control module has signal receiving module and sending module, and it is common to signal receiving and sending electronic components and does not need to be too much, and the abnormal signal when infrared receiver 302 does not receive the signal of infrared emitter 301 is sent.

[0037] The connecting mechanism comprises two connecting assemblies corresponding to the box bodies 101 respectively, each of the connecting assembly comprises a connecting frame 401 and a locking bolt 402, one side of the connecting frame 401 is provided with a clamping groove 403, the locking bolt 402 is threadedly inserted into the side wall of the connecting frame 401 and the end thereof extends into the clamping groove 403, the box body 101 is installed on the side of the connecting frame 401 away from the clamping groove 403, the horizontal bubble instrument 407 is installed on the top of the connecting frame 401, the side wall of the connecting frame 401 is provided with a gap notch 404 in communication with the clamping groove 403, the gap notch 404 is rotatably installed with an intercepting screw rod 405, the end of the intercepting screw rod 405 is threadedly sleeved with an intercepting nut 406, and the inner wall of the intercepting nut 406 abuts against the outer wall of the connecting frame 401 away from the rotating end of the intercepting screw rod 405, the side of the connecting frame 401 away from the clamping groove 403 is provided with an adjusting cavity 408, and an adjusting assembly is installed in the adjusting cavity 408, the adjusting assembly comprises a hand screw cap 409, a lead screw 410 and a nut seat 411, the lead screw 410 is rotatably installed in the adjusting cavity 408, the hand screw cap 409 is sleeved and fixed on one end of the lead screw 410 close to the clamping groove 403, the nut seat 411 is threadedly sleeved on the lead screw 410, the box body 101 is fixed with the nut seat 411, and the box body 101 abuts against the adjusting cavity 408, the side wall of the box body 101 is fixed with a guide block 413, the inner wall of the adjusting cavity 408 is provided with a guide groove 412, the guide block 413 and the guide groove 412 are in sliding fit, and the outer wall of the connecting frame 401 is provided with a scale along the length direction of the adjusting cavity 408.

[0038] The locking bolt 402 is arranged in pairs on the two sides of the clamping groove 403, and when the connecting frame 401 is adjusted horizontally, the locking bolt 402 is slightly loosened to abut against the outer frame column of the tower crane, so that the connecting frame 401 can be rotated to complete the horizontal adjustment, and the length of the locking bolt 402 on both sides is changed slightly to change the horizontal state of the connecting frame 401, so as to complete the horizontal adjustment.

[0039] When the device is used, the worker can hang the connecting frame 401 on the tool belt at the waist through the clamping groove 403 and the intercepting screw rod 405 to carry it, and after reaching the specified height, the device is installed at one time, and the box body 101 at the top is placed on the side closest to the tower column, and then the position of the box body 101 at the bottom is adjusted to adapt.

[0040] The thickness of the counterweight 204 is only schematic in the figure, and is mainly used to pull the geometric center of the combination of the horizontal plate 201 and the sliding ball 202 to a certain distance below the horizontal plate 201, so that the geometric center of gravity of the whole of the horizontal plate 201, the sliding ball 202 and the counterweight 204 is located at the lower end of the whole, so that the position of the sliding ball 202 is guided by the position of the center of gravity, and the main weight is not occupied, that is, when the horizontal plate 201 is inclined, the sliding ball 202 is driven to slide in the sliding rail 203 by the vertical component force of the center of gravity, so as to restore the vertical state, that is, because the weight of the horizontal plate 201 and the sliding ball 202 is far less than that of the counterweight, the effect similar to the tumbler is formed, and the principle is also the common self-balancing principle, and there is no need to make too much description.

[0041] The above is only an embodiment of the present application, and the common technical solutions or characteristics in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the technical scheme of the present application, a number of modifications and improvements can be made, which should also be regarded as the protection scope of the present application, and these will not affect the effect and practicability of the present application. The protection scope of the present application should be subject to the content of the claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A tower crane operation safety monitoring device, characterized in that: include An adaptive mechanism includes two adaptive units arranged vertically. Each adaptive unit includes a housing and a horizontal adjustment component. The housing has a U-shaped cross-section, and the openings of the two housings face each other. The horizontal adjustment component includes a horizontal plate, a slider, a slide rail, and a counterweight. The slider is fixed around the perimeter of the horizontal plate. Multiple slide rails corresponding to the sliders are fixed inside the housing. The slider slides within the slide rails. The counterweight is fixed to the bottom of the horizontal plate. The sensing mechanism includes an infrared transmitter and an infrared receiver, wherein the infrared transmitter is fixed to the bottom of the upper counterweight and the infrared receiver is fixed to the top of the lower horizontal plate. The connecting mechanism includes two connecting components that correspond one-to-one with the box body, and a level bubble meter is installed on the connecting components.

2. The tower crane operation safety supervision device as described in claim 1, characterized in that: The adaptive unit also includes a dustproof plate, which is installed at the opening of the box and has light-transmitting holes.

3. The tower crane operation safety supervision device as described in claim 1, characterized in that: The connecting assembly includes a connecting frame and a locking bolt. One side of the connecting frame has a snap-fit ​​groove. The locking bolt is threaded into the side wall of the connecting frame and its end extends into the snap-fit ​​groove. The housing is installed on the side of the connecting frame away from the snap-fit ​​groove. The level bubble meter is installed on the top of the connecting frame.

4. The tower crane operation safety supervision device as described in claim 3, characterized in that: The side wall of the connecting frame has a clearance notch that communicates with the snap-fit ​​groove. An intercepting screw is rotatably installed in the clearance notch. An intercepting nut is threaded onto the end of the intercepting screw, and the inner wall of the intercepting nut abuts against the outer wall of the connecting frame on the side away from the rotating end of the intercepting screw.

5. The tower crane operation safety supervision device as described in claim 4, characterized in that: The connecting frame has an adjustment cavity on the side away from the snap-fit ​​groove. An adjustment assembly is installed in the adjustment cavity. The adjustment assembly includes a hand-tightening cap, a lead screw, and a nut seat. The lead screw is rotatably installed in the adjustment cavity. The hand-tightening cap is sleeved and fixed to the end of the lead screw near the snap-fit ​​groove. The nut seat is threaded onto the lead screw. The housing is fixed to the nut seat and slides against the adjustment cavity.

6. The tower crane operation safety supervision device as described in claim 5, characterized in that: A guide block is fixed to the side wall of the box body, and a guide groove is provided on the inner wall of the adjustment cavity. The guide block and the guide groove are slidably engaged.

7. The tower crane operation safety supervision device as described in claim 5, characterized in that: The outer wall of the connecting frame is marked with graduations along the length of the adjustment cavity.

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