Safety net fixing device

Abstract

The utility model relates to the technical field of safety nets, and provides a safety net fixing device which comprises a base and a mounting plate, the base comprises the mounting plate, a built-in cavity, a supporting seat, a clamping structure, a lifting structure and a buffering structure, the mounting plate is fixed to the two sides of the bottom of the base, and the built-in cavity is formed in the base. The lifting structure is arranged, the driving wheel is driven to rotate through rotation of the two-way threaded rod, the driven wheel is driven to rotate under the action of the transmission belt, the driven wheel drives the rotating shaft to rotate, and then the first bevel gear drives the second bevel gear to rotate; a second bevel gear drives a lifting threaded rod to rotate, so that an adjusting pipe moves upwards to drive a supporting seat to move upwards, the height of the supporting seat is adjusted, meanwhile, a fixing plate always clamps and fixes the safety net, and by arranging a limiting block, the adjusting pipe is prevented from falling off in the moving process on the lifting threaded rod; therefore, the safety is ensured, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety nets, in particular to a safety net fixing device. Background Art

[0002] A safety net is a protective device used to prevent falling accidents. It is usually composed of a net body, side ropes, tethers and tendon ropes, and has a diamond or square mesh. A safety net fixing device is a component used to ensure that the safety net is stably suspended and fixed in place. They are crucial to ensuring the safety of workers working at heights. Existing safety net fixing devices are not convenient for adjusting the height of the safety net when fixing it during use, and cannot be freely adjusted according to actual usage, thereby affecting the scope of application of the fixing device. Utility Model Content

[0003] The utility model aims to provide a safety net fixing device, which is used to solve the defect that the existing safety net fixing device is inconvenient to adjust the height.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a safety net fixing device, comprising a base and a mounting plate;

[0005] The base includes a mounting plate, a built-in cavity, a support seat, a clamping structure, a lifting structure and a buffer structure. The mounting plate is fixed to both sides of the bottom of the base, and a built-in cavity is provided inside the base.

[0006] A support seat is arranged at the top of the base, a clamping structure is arranged inside the support seat, and a lifting structure is arranged inside the built-in cavity;

[0007] A buffer structure is arranged at the bottom end of the support seat at the top end of the base.

[0008] Preferably, the clamping structure includes a motor, a slide groove, a bidirectional threaded rod, a movable seat, a guide rod, a first spring, a fixed plate, a guide rail and a pulley, the motor is fixed to one side of the support seat, the support seat is provided with a slide groove inside, the slide groove is provided with a bidirectional threaded rod inside, movable seats are provided at both ends of the outer side of the bidirectional threaded rod, a guide rod is provided on one side of the top of the movable seat, a first spring is provided on one side of the movable seat outside the guide rod, a fixed plate is fixed to one end of the guide rod, a guide rail is provided at the bottom end of the slide groove inside the support seat, and a pulley is fixed to the bottom end of the movable seat inside the guide rail.

[0009] Preferably, one end of the bidirectional threaded rod passes through one side of the support seat, extends to the outside of the support seat and is fixedly connected to the output end of the motor, the interior of the movable seat is provided with an internal thread matching the outside of the bidirectional threaded rod, the movable seat and the bidirectional threaded rod form a threaded connection, the movable seat is provided with two groups, the movable seats are symmetrically distributed on the outside of the bidirectional threaded rod, the guide rod is provided with two groups, the guide rods are symmetrically distributed on one side of the movable seat, one end of the guide rod passes through the interior of the movable seat, extends to the outside of the movable seat and is fixed with a stopper.

[0010] Preferably, the lifting structure includes a driving wheel, a transmission belt, a driven wheel, a rotating shaft, a first bevel gear, a second bevel gear, a lifting threaded rod, a limit block and an adjusting tube, the driving wheel is arranged on one side of the outer support seat of the bidirectional threaded rod, a transmission belt is arranged on the outer side of the driving wheel, a driven wheel is arranged on one side inside the transmission belt, a rotating shaft is arranged inside the built-in cavity, first bevel gears are fixed on both sides of the outer side of the rotating shaft, a second bevel gear is arranged on one side of the first bevel gear, a lifting threaded rod is fixed on one end of the second bevel gear, a limit block is fixed on the top end of the lifting threaded rod, and an adjusting tube is arranged on the outer side of the lifting threaded rod.

[0011] Preferably, one end of the rotating shaft passes through one side of the base, extends to the outside of the base and is fixedly connected to one end of the driven wheel, two groups of the first bevel gears are arranged, the first bevel gears are symmetrically distributed on the outside of the rotating shaft, the first bevel gears and the second bevel gears are vertically distributed, the first bevel gears and the second bevel gears are meshed and connected, the lifting threaded rod is threadedly connected to the adjusting tube, and the top end of the adjusting tube is fixedly connected to the bottom end of the support seat.

[0012] Preferably, the buffer structure includes a guide groove, a support rod, a slider and a second spring. The guide groove is arranged at the edge position inside the base, a support rod is arranged inside the guide groove, the slider is fixed at the bottom end of the support rod, and a second spring is arranged at the top of the base outside the support rod.

[0013] Preferably, the support rod is slidably connected to the guide groove through a slider, the top of the support rod is fixedly connected to the edge of the bottom end of the support seat, four groups of support rods are arranged, the support rods are evenly spaced at the bottom end of the support seat, and the support seat and the support rod form a telescopic structure through a second spring.

[0014] The utility model provides a safety net fixing device, which has the advantages of:

[0015] By providing a clamping structure, the bidirectional threaded rod is driven to rotate by starting the motor, so that the two sets of moving seats move toward each other, driving the fixing plate to clamp and fix the safety net, thereby stably clamping the safety net and ensuring the firmness of the safety net. By providing the guide rod and the guide rod, the fixing plate has a buffering effect when clamping the safety net, thereby ensuring the quality of the safety net;

[0016] By providing a lifting structure, the driving wheel is driven to rotate by the rotation of the bidirectional threaded rod, and the driven wheel is driven to rotate under the action of the transmission belt, and the driven wheel drives the rotating shaft to rotate, thereby causing the first bevel gear to drive the second bevel gear to rotate, and the second bevel gear drives the lifting threaded rod to rotate, thereby causing the adjusting tube to move upward and driving the supporting seat to move upward, thereby adjusting the height of the supporting seat while allowing the fixing plate to always clamp and fix the safety net, and by providing a limit block, preventing the adjusting tube from falling off during the movement of the lifting threaded rod, thereby ensuring safety and improving the practicality of the device;

[0017] By providing a buffer structure and a support rod, the stability of the support seat is improved. At the same time, during the lifting and lowering of the support seat, the support rod slides up and down in the guide groove through the slider, which can effectively prevent the support seat from shaking. At the same time, the second spring can provide a certain elastic buffer for the support seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 4 For the utility model Figure 3 The enlarged structural diagram at B in the middle;

[0022] Figure 5 It is a side cross-sectional structural schematic diagram of the utility model.

[0023] Explanation of the reference numerals in the figure: 1. base; 101. mounting plate; 102. built-in cavity; 103. support seat; 104. clamping structure; 1041. motor; 1042. slide groove; 1043. bidirectional threaded rod; 1044. moving seat; 1045. guide rod; 1046. first spring; 1047. fixing plate; 1048. guide rail; 1049. pulley; 105. lifting structure; 1051. driving wheel; 1052. transmission belt; 1053. driven wheel; 1054. rotating shaft; 1055. first bevel gear; 1056. second bevel gear; 1057. lifting threaded rod; 1058. limit block; 1059. adjusting tube; 106. buffer structure; 1061. guide groove; 1062. support rod; 1063. slider; 1064. second spring. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] See also Figure 1-5 The utility model provides a safety net fixing device, which includes a base 1 and a mounting plate 101.

[0026] Reference Figure 3 and Figure 4As shown, the base 1 includes a mounting plate 101, a built-in cavity 102, a support seat 103, a clamping structure 104, a lifting structure 105 and a buffer structure 106. The mounting plate 101 is fixed to both sides of the bottom of the base 1. The built-in cavity 102 is arranged inside the base 1. The top of the base 1 is provided with a support seat 103. The support seat 103 is provided with a clamping structure 104 inside. The clamping structure 104 includes a motor 1041, a slide groove 1042, a bidirectional threaded rod 1043, a moving base 10 44, a guide rod 1045, a first spring 1046, a fixing plate 1047, a guide rail 1048 and a pulley 1049, the motor 1041 is fixed to one side of the support seat 103, the support seat 103 is provided with a slide groove 1042 inside, the slide groove 1042 is provided with a bidirectional threaded rod 1043 inside, the two ends of the outer side of the bidirectional threaded rod 1043 are provided with a moving seat 1044, the guide rod 1045 is provided on one side of the top of the moving seat 1044, and the outer side of the guide rod 1045 is moved A first spring 1046 is provided on one side of the movable seat 1044, a fixing plate 1047 is fixed to one end of the guide rod 1045, a guide rail 1048 is provided at the bottom end of the internal slide groove 1042 of the support seat 103, a pulley 1049 is fixed to the bottom end of the movable seat 1044 inside the guide rail 1048, one end of the bidirectional threaded rod 1043 passes through one side of the support seat 103 and extends to the outside of the support seat 103 and is fixedly connected to the output end of the motor 1041, and the interior of the movable seat 1044 is provided with The movable seat 1044 is threadedly connected with the bidirectional threaded rod 1043 through an internal thread matching the outer side of the bidirectional threaded rod 1043. The movable seat 1044 is provided with two groups, and the movable seats 1044 are symmetrically distributed on the outer side of the bidirectional threaded rod 1043. The guide rod 1045 is provided with two groups, and the guide rod 1045 is symmetrically distributed on one side of the movable seat 1044. One end of the guide rod 1045 passes through the interior of the movable seat 1044 and extends to the outer side of the movable seat 1044 and is fixed with a stopper.

[0027] By starting the motor 1041, the bidirectional threaded rod 1043 is driven to rotate, and then the two sets of movable seats 1044 are moved toward each other, driving the fixed plate 1047 to clamp and fix the safety net, thereby stably clamping the safety net and ensuring the firmness of the safety net. By arranging the guide rod 1045 and the guide rod 1045, the fixed plate 1047 has a buffering effect when clamping the safety net, thereby ensuring the quality of the safety net.

[0028] Reference Figure 1-Figure 3As shown, a lifting structure 105 is provided inside the built-in cavity 102, and the lifting structure 105 includes a driving wheel 1051, a transmission belt 1052, a driven wheel 1053, a rotating shaft 1054, a first bevel gear 1055, a second bevel gear 1056, a lifting threaded rod 1057, a limit block 1058 and an adjusting tube 1059. The driving wheel 1051 is arranged on one side of the outer support seat 103 of the bidirectional threaded rod 1043, the outer side of the driving wheel 1051 is provided with a transmission belt 1052, and the driven wheel 1053 is provided on one side of the inner side of the transmission belt 1052. A rotating shaft 1054 is provided inside the built-in cavity 102, and the first bevel gears 1055 are fixed on both sides of the outer side of the rotating shaft 1054, and the second bevel gear 1056 is provided on one side of the first bevel gear 1055. 56. A lifting threaded rod 1057 is fixed to one end of the second bevel gear 1056, a limiting block 1058 is fixed to the top of the lifting threaded rod 1057, an adjusting tube 1059 is arranged on the outside of the lifting threaded rod 1057, one end of the rotating shaft 1054 passes through one side of the base 1 and extends to the outside of the base 1 and is fixedly connected to one end of the driven wheel 1053, two groups of first bevel gears 1055 are arranged, the first bevel gears 1055 are symmetrically distributed on the outside of the rotating shaft 1054, the first bevel gears 1055 and the second bevel gears 1056 are vertically distributed, the first bevel gears 1055 and the second bevel gears 1056 are meshed and connected, the lifting threaded rod 1057 is threadedly connected to the adjusting tube 1059, and the top of the adjusting tube 1059 is fixedly connected to the bottom end of the support seat 103.

[0029] The rotation of the bidirectional threaded rod 1043 drives the driving wheel 1051 to rotate, and the driven wheel 1053 rotates under the action of the transmission belt 1052, and the driven wheel 1053 drives the rotating shaft 1054 to rotate, thereby causing the first bevel gear 1055 to drive the second bevel gear 1056 to rotate, and the second bevel gear 1056 drives the lifting threaded rod 1057 to rotate, thereby causing the adjusting tube 1059 to move upward and drive the support seat 103 to move upward, thereby adjusting the height of the support seat 103 while allowing the fixing plate 1047 to always clamp and fix the safety net, and by setting a limit block 1058, the adjusting tube 1059 is prevented from falling off during the movement on the lifting threaded rod 1057, thereby ensuring safety and improving the practicability of the device.

[0030] Reference Figure 3 and Figure 5As shown, a buffer structure 106 is provided at the bottom end of the support seat 103 at the top end of the base 1, and the buffer structure 106 includes a guide groove 1061, a support rod 1062, a slider 1063 and a second spring 1064. The guide groove 1061 is arranged at the edge position inside the base 1, and a support rod 1062 is arranged inside the guide groove 1061. The slider 1063 is fixed to the bottom end of the support rod 1062, and a second spring 1064 is provided at the top end of the base 1 outside the support rod 1062. The support rod 1062 is slidably connected to the guide groove 1061 through the slider 1063, and the top end of the support rod 1062 is fixedly connected to the edge position of the bottom end of the support seat 103. Four groups of support rods 1062 are arranged, and the support rods 1062 are evenly distributed at the bottom end of the support seat 103. The support seat 103 and the support rod 1062 form a telescopic structure through the second spring 1064.

[0031] By setting the support rod 1062, the stability of the support seat 103 is improved. At the same time, during the lifting and lowering of the support seat 103, the support rod 1062 slides up and down inside the guide groove 1061 through the slider 1063, which can effectively prevent the support seat 103 from shaking. At the same time, the second spring 1064 can provide a certain elastic buffer for the support seat 103.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A safety net fixing device, comprising a base (1) and a mounting plate (101); Features: The base (1) comprises a mounting plate (101), a built-in cavity (102), a support seat (103), a clamping structure (104), a lifting structure (105) and a buffer structure (106); the mounting plate (101) is fixed to two sides of the bottom of the base (1); and the built-in cavity (102) is arranged inside the base (1); A support seat (103) is provided at the top end of the base (1), a clamping structure (104) is provided inside the support seat (103), and a lifting structure (105) is provided inside the built-in cavity (102); A buffer structure (106) is provided at the bottom end of the top support seat (103) of the base (1).

2. A safety net fixing device according to claim 1, characterized in that: The clamping structure (104) comprises a motor (1041), a slide groove (1042), a bidirectional threaded rod (1043), a movable seat (1044), a guide rod (1045), a first spring (1046), a fixing plate (1047), a guide rail (1048) and a pulley (1049), wherein the motor (1041) is fixed to one side of the support seat (103), the support seat (103) is provided with a slide groove (1042) inside, the slide groove (1042) is provided with a bidirectional threaded rod (1043) inside, and the bidirectional threaded rod (1045) is provided with a guide rod (1046) inside. A movable seat (1044) is provided at both ends of the outer side of the support seat (103), a guide rod (1045) is provided on one side of the top of the movable seat (1044), a first spring (1046) is provided on one side of the movable seat (1044) outside the guide rod (1045), a fixed plate (1047) is fixed to one end of the guide rod (1045), a guide rail (1048) is provided at the bottom end of the internal slide groove (1042) of the support seat (103), and a pulley (1049) is fixed to the bottom end of the movable seat (1044) inside the guide rail (1048).

3. A safety net fixing device according to claim 2, characterized in that: One end of the bidirectional threaded rod (1043) passes through one side of the support seat (103), extends to the outside of the support seat (103), and is fixedly connected to the output end of the motor (1041); an internal thread matching the outside of the bidirectional threaded rod (1043) is arranged inside the movable seat (1044); the movable seat (1044) and the bidirectional threaded rod (1043) form a threaded connection; two groups of movable seats (1044) are arranged; the movable seats (1044) are symmetrically distributed on the outside of the bidirectional threaded rod (1043); two groups of guide rods (1045) are arranged; the guide rods (1045) are symmetrically distributed on one side of the movable seat (1044); one end of the guide rod (1045) passes through the inside of the movable seat (1044), extends to the outside of the movable seat (1044), and is fixed with a stopper.

4. A safety net fixing device according to claim 1, characterized in that: The lifting structure (105) comprises a driving wheel (1051), a transmission belt (1052), a driven wheel (1053), a rotating shaft (1054), a first bevel gear (1055), a second bevel gear (1056), a lifting threaded rod (1057), a limit block (1058) and an adjusting tube (1059); the driving wheel (1051) is arranged on one side of the support seat (103) outside the bidirectional threaded rod (1043); a transmission belt (1052) is arranged on the outside of the driving wheel (1051); and the transmission belt (1052) is provided inside the transmission belt (1052). A driven wheel (1053) is provided on one side, a rotating shaft (1054) is provided inside the built-in cavity (102), first bevel gears (1055) are fixed on both sides of the outer side of the rotating shaft (1054), a second bevel gear (1056) is provided on one side of the first bevel gear (1055), a lifting threaded rod (1057) is fixed on one end of the second bevel gear (1056), a limiting block (1058) is fixed on the top end of the lifting threaded rod (1057), and an adjusting tube (1059) is provided on the outer side of the lifting threaded rod (1057).

5. A safety net fixing device according to claim 4, characterized in that: One end of the rotating shaft (1054) passes through one side of the base (1) and extends to the outside of the base (1) and is fixedly connected to one end of the driven wheel (1053); two groups of the first bevel gears (1055) are provided; the first bevel gears (1055) are symmetrically distributed on the outside of the rotating shaft (1054); the first bevel gears (1055) and the second bevel gears (1056) are vertically distributed; the first bevel gears (1055) and the second bevel gears (1056) are meshedly connected; the lifting threaded rod (1057) is threadedly connected to the adjusting tube (1059); the top end of the adjusting tube (1059) is fixedly connected to the bottom end of the support seat (103).

6. A safety net fixing device according to claim 1, characterized in that: The buffer structure (106) comprises a guide groove (1061), a support rod (1062), a slider (1063) and a second spring (1064); the guide groove (1061) is arranged at an edge position inside the base (1); a support rod (1062) is arranged inside the guide groove (1061); the slider (1063) is fixed at the bottom end of the support rod (1062); and a second spring (1064) is arranged at the top end of the base (1) outside the support rod (1062).

7. A safety net fixing device according to claim 6, characterized in that: The support rod (1062) is slidably connected to the guide groove (1061) via a slider (1063); the top end of the support rod (1062) is fixedly connected to the edge position of the bottom end of the support seat (103); four groups of support rods (1062) are provided; the support rods (1062) are evenly spaced at the bottom end of the support seat (103); the support seat (103) and the support rods (1062) form a telescopic structure via a second spring (1064).

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