Safe disconnector

Abstract

The utility model provides a safety disconnector which is applied to a steel pipe pile flange plate, and the steel pipe pile flange plate is provided with a fixing hole. The safety disconnector comprises a connecting rod which is provided with a head section and a tail section which are connected in sequence, the head section of the connecting rod is provided with a check block, and the tail section of the connecting rod is used for penetrating through the fixing hole in a clearance mode; the connecting sleeve is coaxially arranged outside the connecting rod in a sleeving mode, one end of the connecting sleeve is connected to the head section of the connecting rod, and the other end of the connecting sleeve is located at the tail section of the connecting rod and can stretch into the fixing hole; the releasing assembly comprises a spring and a limiting rod, the connecting sleeve is coaxially sleeved with the spring, the two ends of the spring abut against the check block and the steel pipe pile flange plate respectively, and the limiting rod is separably arranged at the tail section of the connecting rod; the problem that potential safety hazards exist when a steel pipe pile is dismantled in the prior art is solved.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe pile construction technology, and in particular to a safety release device. Background Technology

[0002] During the dismantling of steel pipe piles, if the upper steel pipe pile connections are not removed in time, and workers at height are removing the last bolt from the flange of the two steel pipe piles, there is no effective positioning between the two steel pipe piles, which makes the steel pipe piles prone to falling off, threatening the lives of workers at height. Utility Model Content

[0003] In view of the shortcomings of the existing technology, this utility model provides a safety release device, which solves the problem of safety hazards in the demolition of steel pipe piles in the existing technology.

[0004] According to the embodiments of this utility model, the following technical solution is adopted:

[0005] A safety release device is applied to a steel pipe pile flange, the steel pipe pile flange having a fixing hole; the safety release device includes:

[0006] The connecting rod has two sections connected in sequence, the first section of which has a stop block and the last section is used to pass through the fixing hole with a gap.

[0007] A connecting sleeve is coaxially sleeved on the outside of the connecting rod. One end of the connecting sleeve is connected to the first section of the connecting rod, and the other end is located at the tail section of the connecting rod and can extend into the fixing hole.

[0008] The release assembly includes a spring and a limiting rod. The spring is coaxially sleeved outside the connecting sleeve, and the two ends of the spring abut against the stop block and the steel pipe pile flange, respectively. The limiting rod is detachably provided at the tail section of the connecting rod.

[0009] The spring has an elastic deformation force when the connecting rod and the connecting sleeve are inserted into the fixing hole, and the spring has a tendency to return to its original position away from the fixing hole, so that the connecting rod and the connecting sleeve can simultaneously disengage from the fixing hole after the limiting rod separates from the connecting rod.

[0010] The deformation direction of the spring is perpendicular to the movement direction of the limiting rod.

[0011] Preferably, the fixing hole has an axial direction and a radial direction, the deformation direction of the spring is set along the axial direction, and the movement direction of the limiting rod is set along the radial direction.

[0012] Preferably, the tail section of the connecting rod is provided with a socket, and the limiting rod can be inserted into the socket.

[0013] Preferably, the axis of the insertion hole is located near the end of the connecting sleeve.

[0014] Preferably, the limiting rod is equipped with a suspension rope.

[0015] Preferably, the suspension rope is fixed to the end of the limiting rod; and / or

[0016] The end of the limiting rod is provided with a lifting ring, and the lifting rope is connected to the lifting ring;

[0017] Preferably, the first section of the connecting rod is integrally formed with the stop block.

[0018] Preferably, one of the stop block and the connecting sleeve is provided with a plurality of positioning protrusions, and the other is provided with a plurality of positioning through holes. The positioning protrusions and the positioning through holes are interference-fitted to connect the stop block and the connecting sleeve.

[0019] Preferably, the connecting rod is a threaded rod, and the outer surface of the connecting sleeve is a smooth surface.

[0020] Compared with the prior art, this utility model has the following advantages: the release device replaces the bolt and is connected to the fixing hole between the flanges of the two steel pipe piles. The release device can be released to remove it from the fixing hole, which greatly improves the safety of disassembling the steel pipe piles. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a disconnector according to an embodiment of the present invention;

[0022] Figure 2 for Figure 1 Sectional view of AA.

[0023] In the above attached figures: 1. Connecting rod; 11. First section; 12. Tail section; 13. Insertion hole; 2. Stop block; 21. Positioning through hole; 3. Connecting sleeve; 31. Positioning protrusion; 4. Spring; 5. Limiting rod; 6. Lifting ring. Detailed Implementation

[0024] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the technical solutions of this utility model are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this utility model and are not intended to limit it.

[0025] See Figures 1 to 2This utility model provides a safety release device applied to a steel pipe pile flange, wherein the steel pipe pile flange has a fixing hole; the safety release device includes:

[0026] The connecting rod 1 has two segments connected in sequence, the first segment 11 of the connecting rod 1 is provided with a stop block 2, and the last segment 12 is used to pass through the fixing hole with gaps.

[0027] A connecting sleeve 3 is coaxially sleeved on the outside of the connecting rod 1. One end of the connecting sleeve 3 is connected to the first section 11 of the connecting rod 1, and the other end is located at the tail section 12 of the connecting rod 1, and can extend into the fixing hole.

[0028] The release assembly includes a spring 4 and a limiting rod 5. The spring 4 is coaxially sleeved outside the connecting sleeve 3, and the two ends of the spring 4 abut against the stop block 2 and the steel pipe pile flange, respectively. The limiting rod 5 is detachably provided at the tail section 12 of the connecting rod 1.

[0029] The spring 4 has an elastic deformation force when the connecting rod 1 and the connecting sleeve 3 are inserted into the fixing hole, and the spring 4 has a tendency to return to its original position away from the fixing hole, so that the connecting rod 1 and the connecting sleeve 3 can be simultaneously disengaged from the fixing hole after the limiting rod 5 is separated from the connecting rod 1.

[0030] The deformation direction of the spring 4 is perpendicular to the movement direction of the limiting rod 5.

[0031] In this embodiment, when removing the flange bolts of the steel pipe pile, the three bolts forming an equilateral triangle around the flange circumference are removed, and three safety release devices are installed in the three fixing holes forming the equilateral triangle. Then, all the remaining bolts are removed. At this time, because the three safety release devices are fixed, the steel pipe pile remains stable. After the personnel return to the ground, the truck crane stabilizes the wire rope to the steel pipe pile. At this time, the three safety release devices are simultaneously removed from the fixing holes by external force, the two flanges separate, and the steel pipe pile separates, completing the safe dismantling of the steel pipe pile. Specifically, the safety release device includes a connecting rod 1, which is composed of two sections connected sequentially. The first section 11 of the connecting rod 1 is provided with a stop block 2, and its tail section 12 passes through the fixing hole.

[0032] The connecting sleeve 3 is coaxially sleeved on the outside of the connecting rod 1. One end is connected to the first section 11 of the connecting rod 1, and the other end extends to the tail section 12 of the connecting rod 1 and can be inserted into the fixing hole. The purpose is to assist the connecting rod 1 in completing the insertion and disengagement actions. In order to enable the connecting rod 1 to disengage from the fixing hole, the disengagement device also includes a release assembly, which includes a spring 4 and a limiting rod 5. The spring 4 surrounds the connecting sleeve 3, and its two ends contact the stop block 2 and the steel pipe pile flange, respectively, providing the necessary elastic deformation force. The limiting rod 5 is detachably installed on the tail section 12 of the connecting rod 1. One end of the spring 4 is connected by a spring 4 washer. The stop 2 of the connecting sleeve 3 is connected to the limiting rod 5. When the limiting rod 5 separates from the connecting rod 1, the connecting rod 1 and the connecting sleeve 3 will exit from the fixing hole together under the elastic force of the spring 4. The elastic deformation force of the spring 4 makes the whole structure tend to move away from the fixing hole when there is no additional constraint (i.e. the limiting rod 5 is not locked). Once the limiting rod 5 is removed, the spring 4 will push the connecting rod 1 and the connecting sleeve 3 to disengage from the fixing hole together. In addition, the deformation direction of the spring 4 is perpendicular to the movement direction of the limiting rod 5, which helps to ensure the stability and reliability of the equipment during use.

[0033] The fixing hole has an axial direction and a radial direction, the deformation direction of the spring 4 is set along the axial direction, and the movement direction of the limiting rod 5 is set along the radial direction.

[0034] In this embodiment, the deformation direction of the spring 4 is set along the axial direction of the fixing hole. When the spring 4 is compressed or stretched, the force it generates is along the center line of the hole, ensuring that after the limit rod 5 is removed, the connecting rod 1 and the connecting sleeve 3 can move smoothly along the axial direction of the hole to achieve the disengagement operation. The movement direction of the limit rod 5 is set along the radial direction of the fixing hole. Since the radial direction is perpendicular to the axial direction, the limit rod 5 locks or unlocks the connecting rod 1 by moving radially, so that the limit rod 5 can effectively control whether the connecting rod 1 can be released without affecting the axial force of the spring 4.

[0035] The tail section 12 of the connecting rod 1 is provided with a insertion hole 13, into which the limiting rod 5 can be inserted. Furthermore, the axis of the insertion hole 13 is positioned near the end of the connecting sleeve 3. Furthermore, the limiting rod 5 is provided with a suspension rope.

[0036] In this embodiment, a socket 13 is provided at the tail section 12 of the connecting rod 1. The axis of the socket 13 is close to the end of the connecting sleeve 3. The limiting rod 5 can be inserted into the socket 13 to abut against the flange of another steel pipe pile, thereby locking the connecting rod 1 and preventing it from coming out of the fixing hole. A hoisting rope (not shown) of appropriate length is provided on the limiting rod 5. When the high-altitude workers go down to the ground, they pull the hoisting rope from a distance to make the limiting rod 5 come out of the socket 13, thereby removing the release device from the fixing hole. This changes the high-altitude demolition to a safer ground demolition, ensuring the safety of the workers.

[0037] The suspension rope is fixed to the end of the limiting rod 5; the end of the limiting rod 5 is provided with a lifting ring 6, and the suspension rope is connected to the lifting ring 6.

[0038] In this embodiment, a lifting ring 6 is provided at the end of the limiting rod 5, and the lifting rope is fixed on the lifting ring 6. When the lifting rope is pulled at any angle, the movable lifting ring 6 can ensure that the limiting rod 5 can be disengaged from the insertion hole 13.

[0039] The first section 11 of the connecting rod 1 is integrally formed with the stop block 2. Furthermore, one of the stop block 2 and the connecting sleeve 3 is provided with a plurality of positioning protrusions 31, and the other is provided with a plurality of positioning through holes 21. The positioning protrusions 31 and the positioning through holes 21 are interference-fitted to connect the stop block 2 and the connecting sleeve 3.

[0040] In this embodiment, the first section 11 of the connecting rod 1 and the stop block 2 are integrally molded, which improves mechanical strength and durability. The stop block 2 is provided with three positioning through holes 21, and the connecting sleeve 3 is provided with three positioning protrusions 31. The positioning protrusions 31 and the positioning through holes 21 are interference fit between the stop block 2 and the connecting sleeve 3, which enhances the stability and accuracy of the connection between the two.

[0041] The connecting rod 1 is a threaded rod, and the outer surface of the connecting sleeve 3 is a smooth surface.

[0042] In this embodiment, a threaded rod is selected for the connecting rod 1, while keeping the outer surface of the connecting sleeve 3 smooth to reduce friction. This combines strength and ease of operation, ensuring the strength of the connecting rod 1 and allowing it to be quickly and safely disengaged when necessary.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A safety disengager applied to a steel pipe pile flange plate, the steel pipe pile flange plate having a fixing hole; characterized in that, The safety disengager comprises: a connecting rod provided with a head section and a tail section connected in sequence, the head section of the connecting rod being provided with a stop block, and the tail section being used for gap penetrating the fixing hole; a connecting sleeve coaxially sleeved outside the connecting rod, one end of the connecting sleeve being connected to the head section of the connecting rod, and the other end of the connecting sleeve being located at the tail section of the connecting rod and being capable of extending into the fixing hole; a release assembly comprising a spring and a limiting rod, the spring being coaxially sleeved outside the connecting sleeve, and two ends of the spring being respectively abutted against the stop block and the steel pipe pile flange plate, the limiting rod being separably arranged at the tail section of the connecting rod; wherein the spring has an elastic deformation force when the connecting rod and the connecting sleeve are jointly inserted into the fixing hole, and the spring has a movement tendency of returning to a direction away from the fixing hole, so as to make the connecting rod and the connecting sleeve synchronously disengage from the fixing hole after the limiting rod is separated from the connecting rod; the deformation direction of the spring is perpendicular to the movement direction of the limiting rod.

2. A safety disconnecter as claimed in claim 1, wherein the fixing hole has an axial direction and a radial direction, the deformation direction of the spring is arranged along the axial direction, and the movement direction of the limiting rod is arranged along the radial direction.

3. A safety disconnecter as claimed in claim 2, wherein the housing is formed of a material having a coefficient of thermal expansion greater than that of the electrical conductor. the tail section of the connecting rod is provided with a insertion hole, and the limiting rod can be inserted into the insertion hole.

4. A safety disconnecter as claimed in claim 3, wherein the housing is formed of a material having a coefficient of thermal expansion greater than that of the electrical conductor. the axis of the insertion hole is arranged close to the end of the connecting sleeve.

5. A safety disconnecting device according to any one of claims 1-4, characterized in that the limiting rod is provided with a lifting rope.

6. A safety disconnecter as claimed in claim 5, wherein the housing is formed of a material having a coefficient of thermal expansion greater than that of the electrical conductor. the lifting rope is fixed to the end of the limiting rod; and / or the end of the limiting rod is provided with a lifting ring, and the lifting rope is connected to the lifting ring.

7. A safety disconnecter as defined in claim 1, wherein the head section of the connecting rod is integrally formed with the stop block.

8. A safety disconnecter as claimed in claim 7, wherein the housing is formed of a material having a coefficient of thermal expansion greater than that of the electrical conductor. one of the stop block and the connecting sleeve is provided with a plurality of positioning protrusions, and the other is provided with a plurality of positioning through holes, the positioning protrusions and the positioning through holes are interference fitted to connect the stop block and the connecting sleeve.

9. A safety disconnecter as defined in claim 1, wherein the connecting rod is a threaded rod, and the outer surface of the connecting sleeve is a smooth surface.

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