Safety protection device for construction in tower drum

Abstract

The application provides a tower drum internal construction safety protection device and relates to the technical field of wind driven generators.The tower drum internal construction safety protection device comprises a safety rope and a construction ladder, the outer surface of the safety rope is provided with a falling prevention mechanism on the upper side, the falling prevention mechanism comprises a safety cylinder, a buffer cylinder is slidably arranged on the upper side of the cylinder body of the safety cylinder, a first strong spring is fixedly arranged on one side in the safety cylinder, a roller frame is fixedly arranged on one side of the first strong spring, a driven wheel is rotatably arranged on one side in the safety cylinder on the upper end, and a second rotary table is fixedly arranged on the front end of the driven wheel.The clamping plate arranged in the falling prevention mechanism can tightly clamp and pull the falling construction personnel on the safety rope, the falling prevention function is realized, the falling prevention mechanism can move on the safety rope along with the construction personnel, the movement of the construction personnel is facilitated, the work efficiency is improved, the falling can be buffered, and the impact force suffered by the construction personnel when stopping quickly is reduced.

Description

Technical Field

[0001] This invention relates to the field of wind turbine technology, specifically to a safety protection device for construction inside a tower. Background Technology

[0002] A wind turbine is a device that converts wind energy into electrical energy. It consists of a wind turbine, a generator, and a tower. When wind blows over the wind turbine, the turbine rotates due to the force of the wind, which in turn drives the generator to rotate. The generator converts mechanical energy into electrical energy. Wind turbines are a clean and renewable energy source with the advantages of being environmentally friendly and sustainable. When construction is required inside a wind turbine, a safety protection device is needed to ensure the safety of construction personnel.

[0003] In existing technologies, when construction workers are working at heights, safety buckles are often attached to scaffolding or ladders. When it is necessary to move to another location, the safety buckles need to be removed and attached to another location. This process is prone to danger, and the repeated disassembly and reassembly also reduces construction efficiency. In addition, if a construction worker accidentally falls, he is suspended by the safety buckle. During the fall, he is stopped suddenly by the safety belt, and the force he experiences in an instant is relatively large, which can easily cause injury to the construction worker. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a safety protection device for construction inside a tower, which solves the problems of potential dangers when moving the tower, reduced construction efficiency, and potential injury to construction workers during the descent.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a safety protection device for construction inside a tower, comprising a safety rope and a construction ladder, wherein an anti-fall mechanism is provided on the upper part of the outer surface of the safety rope, the anti-fall mechanism comprising a safety cylinder, a buffer cylinder is slidably sleeved on the upper part of the safety cylinder body, a first strong spring is fixedly provided on one side inside the safety cylinder, a roller frame is fixedly provided on one side of the first strong spring, a driven wheel is rotatably provided on the upper end of one side inside the safety cylinder, and a second turntable is fixedly provided at the front end of the driven wheel;

[0008] A second strong spring is fixedly installed at the upper end of the safety cylinder. A locking plate is fixedly installed on one side of the second strong spring. A spring locking shaft is fixedly installed in the middle of the front end of the locking plate. The construction ladder is installed on one side of the safety rope. Handrails are fixedly installed on both sides inside the construction ladder. Multiple connecting columns are fixedly installed on both sides of the rear end of the construction ladder.

[0009] Preferably, a connecting ring is fixedly sleeved on the lower end of the outer surface of the buffer cylinder, and a support ring is fixedly sleeved on the lower end of the outer surface of the safety cylinder. A damper is fixedly connected between the support ring and the connecting ring.

[0010] Preferably, a second buffer plate is provided on both sides of the connecting ring via a spring shaft, and a first buffer plate is provided on both sides of the support ring via a spring shaft. A support plate is rotatably provided between the two first buffer plates and the two second buffer plates respectively.

[0011] Preferably, a power wheel is rotatably arranged inside the roller frame, a friction wheel is fixedly arranged on the outer surface of the power wheel, and a first turntable is fixedly arranged through the front end of the power wheel at the front end of the roller frame. A belt connects the first turntable and the second turntable.

[0012] Preferably, the driven wheel has multiple sliding grooves inside, each sliding groove has a gravity block slidably disposed inside, each gravity block has a telescopic rod fixedly disposed on the opposite side, each telescopic rod has its opposite end extending through to the outer surface of the driven wheel, and each gravity block has a gravity spring fixedly connected to the opposite side of the driven wheel and the interior of the driven wheel.

[0013] Preferably, a buffer spring is fixedly installed at the lower middle part of the safety cylinder, and a lifting block is fixedly installed at the upper end of the buffer spring. The lifting block is slidably installed inside the safety cylinder and is slidably sleeved on the safety rope.

[0014] Preferably, a reset pull wire is fixedly installed at the middle of one side of the positioning plate, and one end of the reset pull wire passes through to the outside of the safety cylinder and is fixedly installed with a pull ring.

[0015] Preferably, a mounting block is fixedly provided on one side of the buffer cylinder near the upper end, and a mounting hole is provided through the upper and lower ends of the mounting block.

[0016] Working Principle: When using this protective device for high-altitude construction inside a tower, workers connect their safety buckles to the installation hole. They can then use a construction ladder to work at height inside the tower. As workers move upwards, the safety buckles activate the fall arrest mechanism, which slowly moves upwards along the safety rope. If a worker slips and falls, the friction between the safety rope and the friction wheel causes the drive wheel to rotate rapidly. The drive wheel then drives the driven wheel via a belt. As the driven wheel rotates rapidly, centrifugal force causes multiple weight blocks to move outwards, simultaneously extending the telescopic rod from the inside, thus securing the support... The spring clip between the safety cylinder and the locking plate is knocked askew, causing the locking plate to lose its positioning. The second strong spring then quickly resets, locking the safety rope and pulling the falling worker back into place. When the safety rope and safety cylinder are relatively closed, the worker's weight pulls the entire buffer cylinder down through the safety buckle connected to the mounting block. The buffer cylinder then compresses the damper, the first buffer plate, and the second buffer plate, absorbing some of the kinetic energy and cushioning the fall. Simultaneously, the first and second buffer plates push the support plate outwards, unfolding the safety belt connecting the safety buckle and the worker to one side, preventing the safety belt from getting caught in the fall arrest mechanism.

[0017] (III) Beneficial Effects

[0018] This invention provides a safety protection device for construction inside a tower. It has the following beneficial effects:

[0019] 1. This invention provides a safety protection device for construction inside a tower. When a worker accidentally falls, the friction between the safety rope and the friction wheel drives the power wheel to rotate rapidly. The power wheel then drives the driven wheel to rotate via a belt. As the driven wheel rotates rapidly, multiple gravity blocks move outward under centrifugal force, while a telescopic rod extends from the inside. This causes the spring clip between the safety cylinder and the locking plate to be misaligned, resulting in the locking plate's positioning failure. With the rapid reset of the second strong spring, the locking plate firmly secures the safety rope, thus pulling the falling worker in place and achieving the fall prevention function. Furthermore, the fall prevention mechanism can move with the worker on the safety rope at all times, facilitating worker movement and improving work efficiency.

[0020] 2. This invention provides a safety protection device for construction inside a tower. When a worker's body falls and triggers the fall arrest mechanism, the relative movement between the safety rope and the safety cylinder is prohibited. At this time, the worker's weight will pull the entire buffer cylinder downward through the safety buckle connected to the mounting block. During the compression of the damper and the first and second buffer plates, the buffer cylinder can absorb some kinetic energy, achieving cushioning of the fall and reducing the impact force on the worker when stopping quickly. Simultaneously, the first and second buffer plates will push the support plate outward, causing the safety belt connected to the worker to unfold to one side, preventing the safety belt from being caught by the fall arrest mechanism. Attached Figure Description

[0021] Figure 1 This is an isometric view of the present invention;

[0022] Figure 2 This is an isometric view of the fall protection mechanism of the present invention;

[0023] Figure 3 This is a bottom-view axial side schematic diagram of the fall protection mechanism of the present invention;

[0024] Figure 4 This is a front sectional view of the safety cylinder of the present invention;

[0025] Figure 5 This is a schematic cross-sectional view of the driven wheel of the present invention;

[0026] Figure 6 For the present invention Figure 4 Enlarged diagram of point A.

[0027] The components include: 1. Fall protection mechanism; 2. Handrail; 3. Safety rope; 4. Connecting column; 5. Construction ladder; 101. Safety cylinder; 102. Buffer cylinder; 103. Damper; 104. Support ring; 105. First buffer plate; 106. Support plate; 107. Second buffer plate; 108. Connecting ring; 109. Mounting hole; 110. Mounting block; 111. Friction wheel; 112. Power wheel; 113. Lifting block; 114. Buffer spring; 115. Roller frame; 116. First strong spring; 117. First turntable; 118. Second turntable; 119. Pull ring; 120. Driven wheel; 121. Sliding groove; 122. Gravity spring; 123. Spring clip; 124. Telescopic rod; 125. Gravity block; 126. Reset pull line; 127. Second strong spring; 128. Positioning plate. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example:

[0030] like Figure 1-6 As shown, this embodiment of the invention provides a safety protection device for construction inside a tower, including a safety rope 3 and a construction ladder 5. The safety rope 3 is fixed at the highest point inside the tower to facilitate the movement of the fall arrest mechanism 1. The construction ladder 5 can be fixed to the inner wall of the tower to facilitate construction workers. The fall arrest mechanism 1 is provided on the upper part of the outer surface of the safety rope 3. The fall arrest mechanism 1 includes a safety cylinder 101. A buffer cylinder 102 is slidably sleeved on the upper part of the safety cylinder 101. A first strong spring 116 is fixedly provided on one side inside the safety cylinder 101. A roller frame 115 is fixedly installed. The first strong spring 116 can make the roller frame 115 always be subjected to the force of squeezing the safety rope 3, which facilitates the rotation of the friction wheel 111. A driven wheel 120 is rotatably installed on one side of the safety cylinder 101 near the upper end. A second turntable 118 is fixedly installed at the front end of the driven wheel 120. An installation block 110 is fixedly installed on one side of the buffer cylinder 102 near the upper end. An installation hole 109 is provided through the upper and lower ends of the installation block 110, so that the construction personnel can install the safety buckle on their body inside the installation hole 109.

[0031] A second strong spring 127 is fixedly installed at the upper end of the safety cylinder 101. A locking plate 128 is fixedly installed on one side of the second strong spring 127. A spring locking shaft 123 is fixedly installed at the middle of the front end of the locking plate 128. One end of the spring locking shaft 123 is locked inside the safety cylinder 101, thereby limiting the spring locking shaft 123. The construction ladder 5 is installed on one side of the safety rope 3. Handrails 2 are fixedly installed on both sides inside the construction ladder 5 to facilitate the climbing of construction personnel. Multiple connecting columns 4 are fixedly installed on both sides of the rear end of the construction ladder 5, which can be used to install the construction ladder 5 to the inner wall of the tower.

[0032] A connecting ring 108 is fixedly sleeved on the lower end of the outer surface of the buffer cylinder 102, and a support ring 104 is fixedly sleeved on the lower end of the outer surface of the safety cylinder 101. A damper 103 is fixedly connected between the support ring 104 and the connecting ring 108. When the construction worker's body falls and triggers the fall protection mechanism 1, the worker's weight will pull the entire buffer cylinder 102 downward through the safety buckle connected to the mounting block 110. During the compression of the damper 103, the buffer cylinder 102 can absorb some kinetic energy and achieve the buffering of the fall. A second buffer plate 107 is set on both sides of the connecting ring 108 through a spring shaft, and a first buffer plate 105 is set on both sides of the support ring 104 through a spring shaft. A support plate 106 is rotatably set between the two first buffer plates 105 and the two second buffer plates 107 respectively. The first buffer plates 105 and the second buffer plates 107 will squeeze the support plate 106 outward, causing the safety belt connected to the construction worker to unfold to one side, so as to prevent the safety belt from being stuck by the fall protection mechanism 1.

[0033] A drive wheel 112 is rotatably mounted inside the roller frame 115. A friction wheel 111 is fixedly mounted on the outer surface of the drive wheel 112. The front end of the drive wheel 112 passes through the front end of the roller frame 115 and is fixedly mounted on a first turntable 117. A belt connects the first turntable 117 and the second turntable 118. The friction between the safety rope 3 and the friction wheel 111 drives the drive wheel 112 to rotate rapidly. The drive wheel 112 then drives the driven wheel 120 to rotate via the belt. The driven wheel 120 has multiple sliding grooves 121 inside. Each sliding groove 121 has a gravity block 125 slidably mounted inside it. Each gravity block 125 has a telescopic rod 124 fixedly mounted on the opposite side. When the driven wheel 120 rotates rapidly, under the action of centrifugal force, the centrifugal force on the multiple gravity blocks 125 exceeds the supporting force of the gravity spring 122, causing them to move outward. At the same time, the telescopic rod 124 extends outward from the inside. The opposite ends of rod 124 all extend to the outer surface of driven wheel 120. Multiple gravity blocks 125 are fixedly connected to gravity springs 122 on their opposite sides and inside driven wheel 120. A buffer spring 114 is fixedly installed at the lower middle part of the safety cylinder 101. A lifting block 113 is fixedly installed at the upper end of buffer spring 114. The lifting block 113 is slidably installed inside the safety cylinder 101 and is slidably sleeved on the safety rope 3. There is a certain damping between the lifting block 113 and the safety rope 3, which can prevent the fall arrest mechanism 1 from being accidentally triggered when it falls too fast without load. A reset pull line 126 is fixedly installed in the middle of one side of the locking plate 128. One end of the reset pull line 126 extends to the outside of the safety cylinder 101 and is fixedly installed with a pull ring 119. When the locking plate 128 is triggered and the construction personnel are safe, the pull ring 119 can be pulled to drive the locking plate 128 to reset, which is convenient for reuse.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for construction inside a tower, comprising a safety rope (3) and a construction ladder (5), characterized in that: The safety rope (3) is provided with a falling prevention mechanism (1) on the outer surface, the falling prevention mechanism (1) comprises a safety cylinder (101), a buffer cylinder (102) is sleeved on the upper part of the safety cylinder (101), a first strong spring (116) is fixedly arranged on one side of the inside of the safety cylinder (101), a roller frame (115) is fixedly arranged on one side of the first strong spring (116), a driven wheel (120) is rotatably arranged on one side of the upper end of the inside of the safety cylinder (101), and a second rotating disc (118) is fixedly arranged on the front end of the driven wheel (120). A second strong spring (127) is fixedly arranged on the upper end of the inside of the safety cylinder (101), a clamping plate (128) is fixedly arranged on one side of the second strong spring (127), a spring clamping shaft (123) is fixedly arranged on the front end of the clamping plate (128), and a construction ladder (5) is arranged on one side of the safety rope (3). A power wheel (112) is rotatably arranged in the roller frame (115), a friction wheel (111) is fixedly arranged on the outer surface of the power wheel (112), a first rotating disc (117) is fixedly arranged on the front end of the power wheel (112) and penetrates through the front end of the roller frame (115), and a belt is connected between the first rotating disc (117) and the second rotating disc (118). A plurality of sliding grooves (121) are formed in the inside of the driven wheel (120), a plurality of gravity blocks (125) are slidably arranged in the sliding grooves (121), a plurality of extension rods (124) are fixedly arranged on the opposite sides of the gravity blocks (125), the opposite ends of the extension rods (124) penetrate through the outer surface of the driven wheel (120), and gravity springs (122) are fixedly connected between the opposite sides of the gravity blocks (125) and the inside of the driven wheel (120).

2. A tower construction safety shield according to claim 1, wherein: A connecting ring (108) is fixedly sleeved on the lower end of the outer surface of the buffer cylinder (102), a supporting ring (104) is fixedly sleeved on the lower end of the outer surface of the safety cylinder (101), and a damper (103) is fixedly connected between the supporting ring (104) and the connecting ring (108).

3. A tower construction safety shield according to claim 2, wherein: Second buffer plates (107) are arranged on the two sides of the connecting ring (108) through spring shafts, first buffer plates (105) are arranged on the two sides of the supporting ring (104) through spring shafts, and supporting wire plates (106) are rotatably arranged between the first buffer plates (105) and the second buffer plates (107).

4. A tower construction safety shield according to claim 1, wherein: A buffer spring (114) is fixedly arranged on the lower end of the inside of the safety cylinder (101), a lifting block (113) is fixedly arranged on the upper end of the buffer spring (114), the lifting block (113) is slidably arranged in the inside of the safety cylinder (101), and the lifting block (113) is slidably sleeved on the safety rope (3).

5. A tower construction safety shield according to claim 1, wherein: The reset pull wire (126) is fixed at the middle of one side of the clamping plate (128), and one end of the reset pull wire (126) penetrates to the outside of the safety cylinder (101) and is fixedly provided with a pull ring (119).

6. A tower construction safety shield according to claim 1, wherein: The mounting block (110) is fixedly arranged at the upper end of one side of the buffer cylinder (102), and the mounting hole (109) is arranged in penetration between the upper end and the lower end of the mounting block (110).

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