CN211901454U - Safety line energy absorption device - Google Patents
Safety line energy absorption device Download PDFInfo
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- CN211901454U CN211901454U CN202020274935.XU CN202020274935U CN211901454U CN 211901454 U CN211901454 U CN 211901454U CN 202020274935 U CN202020274935 U CN 202020274935U CN 211901454 U CN211901454 U CN 211901454U
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- steel cable
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Abstract
The utility model relates to a safety line energy absorption device belongs to architectural equipment technical field, including yaw and connector, be connected between yaw and the connector and be equipped with the casing, be equipped with first tensile board and the tensile board of second in the casing, parallel connection has the extension spring between first tensile board and the tensile board of second, the connector includes linkage segment and erection segment, be equipped with the warning cover between linkage segment and the erection segment, the erection segment is seted up cylindrical hole and its outer wall processing on the surface has the external screw thread, the connector has the clamp cover of pressing from both sides the steel cable clamp tightly in the cylindrical hole through threaded connection, it includes nut section and cone section to press from both sides the cover, it is provided with the clamping piece to support between the terminal surface in cone section and cylindrical hole. Through screwing the clamp cover, make the clamping piece tightly sting the steel cable in pressing from both sides the cover to press from both sides tight steel cable, it is tight convenient, sparingly install consuming time, through set up first drawing board, second drawing board and extension spring between yaw and connector, the pulling force on the extension spring absorption steel cable avoids the connector of steel cable can not torn and draws destruction, guarantees operation safety.
Description
Technical Field
The utility model relates to a construction equipment technical field, in particular to safety line energy absorption device.
Background
Working aloft is a common working mode. When working at high altitude, if the necessary protection measures are lacked, the potential safety hazard is very large, and the high-altitude falling accident is easy to happen. At present, the steel cable type horizontal lifeline system is used as a falling-preventing device frequently used in high-altitude operation, and the problem is well solved. The cable type horizontal lifeline body is composed of a steel cable with two fixed ends and a shuttle hung on the steel cable, and a shock absorber and a tensioner are generally connected between the steel cable and a fixed supporting point to adjust the tightness of the steel cable and reduce the vibration of the steel cable.
What steel cable connected mode on the market adopted is that hydraulic pressure pincers tighten the steel cable more, and the installation is complicated, need use professional instrument, and is long consuming time to when high altitude construction personnel take place to fall, the pulling force on the steel cable increases, causes the link head of steel cable easily to tear and draws destruction, causes the potential safety hazard for the operation personnel.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a safety line energy absorption device, when convenient installation steel cable, sparingly install consuming time and the pulling force when on the steel cable increases, the connector of steel cable can not be torn and draws destruction, guarantees operation safety.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a safety line energy absorption device, includes yaw and connector, its characterized in that: a shell is connected between the swinging head and the connector, a first stretching plate and a second stretching plate are symmetrically arranged in the shell, the outer sides of the first stretching plate and the second stretching plate are respectively connected with the swinging head and the connector, a tension spring is connected in parallel between the first stretching plate and the second stretching plate, and two ends of the tension spring are respectively hooked on the first stretching plate and the second stretching plate;
the connector comprises a connecting section connected with the second stretching plate and an installation section used for installing a steel cable, a warning sleeve is arranged between the connecting section and the installation section, and the warning sleeve is divided into a warning area and a safety area;
the installation section is seted up the cylindricality hole that holds the steel cable, and the outer wall in cylindricality hole is processed on the surface has the external screw thread, and the connector has the clamp cover of pressing from both sides the steel cable clamp in the cylindricality hole through threaded connection, press from both sides the cover and include nut section and cone section, the cone section is opened there is the through-hole, and the aperture of through-hole diminishes to the one end of keeping away from the nut section gradually, supports between the terminal surface in cone section and cylindricality hole to press to be provided with the clamping piece of forcing the inner chamber of pressing from.
Preferably, the inner hole of the nut section is provided with an internal thread matched with the external thread, and the inner hole and the end face of the nut section connecting cone section form a step.
Preferably, the clamping piece comprises a bottom ring and a plurality of blades annularly arranged on the bottom ring by using the central line of the bottom ring, the bottom ends of the blades and the bottom ring form a stop boss which is stopped on the step, the blades are obliquely arranged on the bottom ring, gaps are reserved among the blades, and a conical cavity which gradually shrinks towards one end far away from the bottom ring is annularly formed by the plurality of blades.
Preferably, a fastening nut is fixedly mounted at the tail end of the cylindrical hole of the connector, a threaded hole is formed in the surface of the fastening nut, and a fastening screw for screwing and locking the tail end of the steel cable is arranged in the threaded hole.
Preferably, the first stretching plate is connected with the swinging head through a bolt.
Preferably, the extension springs are 2 and are symmetrically arranged.
Adopt above-mentioned technical scheme, through screwing the cover that presss from both sides, thereby make the clamping piece tightly sting the steel cable in pressing from both sides the cover and press from both sides tight steel cable, it is convenient to tighten, and the installation is simple, saves the installation consuming time, through set up first stretching plate, second stretching plate and extension spring between yaw and connector, and the pulling force on the extension spring absorption steel cable avoids the connector of steel cable to be torn and draws the destruction, guarantees operation safety.
Drawings
Fig. 1 is a perspective view of a safety line energy absorbing device according to an embodiment of the present invention;
FIG. 2 is a top view of a safety line energy absorber device (shell plate without housing) according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of the safety line energy absorbing device gripping the steel cable;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a perspective view of a safety line energy absorber device (shell plate with shell exploded) according to an embodiment of the present invention;
fig. 6 is a perspective view of the connection head in the embodiment of the present invention;
fig. 7 is a perspective view of the jacket according to the embodiment of the present invention;
fig. 8 is a perspective view of a clip according to an embodiment of the present invention.
In the figure, 10-pendulum head, 11-connector head, 111-connector section, 112-mounting section, 113-warning sleeve, 114-warning zone, 115-safety zone, 12-housing, 121-base plate, 122-housing plate, 13-first tension plate, 14-second tension plate, 15-tension spring, 16-jacket, 161-nut section, 162-cone section, 163-through hole, 164-step, 17-clip, 171-bottom ring, 172-blade, 173-stop boss, 174-cone cavity, 18-fastening nut, 19-set screw, 20-steel cable.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-8, the utility model provides a pair of safety line energy absorption device, including yaw 10 and connector 11, be connected between yaw 10 and the connector 11 and be equipped with casing 12, casing 12 comprises bottom plate 121 and shell plate 122 and the shape is the square body, and bottom plate 121 and shell plate 122 all are the U type.
The shell 12 is internally and symmetrically provided with a first stretching plate 13 and a second stretching plate 14, the outer sides of the first stretching plate 13 and the second stretching plate 14 are respectively connected with the swinging head 10 and the connector 11, the first stretching plate 13 is connected with the swinging head 10 through a bolt, a tension spring 15 is connected between the first stretching plate 13 and the second stretching plate 14 in parallel, the tension spring 15 is 2 and is symmetrically arranged, and the two ends of the tension spring 15 are respectively hooked on the first stretching plate 13 and the second stretching plate 14.
The connector 11 includes a connecting section 111 connected to the second stretching plate 14 and a mounting section 112 for mounting the steel cable 20, a warning sleeve 113 is disposed between the connecting section 111 and the mounting section 112, and the warning sleeve 113 is divided into a warning area 114 and a safety area 115. In the initial state, the warning sleeve is located between the second stretching plate 14 and the side wall of the housing 12, the warning area 114 and the safety area 115 are respectively marked with different colors, and in practical applications, red is often used as the marking color of the warning area 114, and green is used as the marking color of the safety area 115. It is known to those skilled in the art that the tension spring 15 itself has an initial tension that determines how tightly the tension spring is wound without any load, and when loaded, will pull the tightly wound spring apart. In this embodiment, when the cable 20 is connected to the connector 11 and exerts a pulling force on the tension spring 15, the alarm cover follows the movement of the connector 11 due to the installation on the connector 11. When the tension is a certain range of load that the tension spring 15 can bear, the warning cover is exposed out of the outer end face of the housing 12, and a green safety zone 115 is displayed, which indicates that the tension applied to the steel cable 20 is absorbed by the tension spring 15; when the pulling force exceeds the load that the tension spring 15 can bear, the red warning area 114 is displayed on the end surface of the warning cover exposed out of the casing 12, which indicates that the pulling force applied to the cable 20 exceeds the energy absorbed by the tension spring 15, and the safety line has an accident and needs to be checked or replaced before use.
The cylindrical hole that holds steel cable 20 is seted up to installation segment 112, the outer wall in cylindrical hole is processed on the surface has the external screw thread, connector 11 has through threaded connection presss from both sides tight clamp 16 in the cylindrical hole with steel cable 20, it includes nut section 161 and cone section 162 to press from both sides the cover 16, cone section 162 is opened there is through-hole 163, the aperture of through-hole 163 diminishes gradually to the one end of keeping away from nut section 161, it is provided with the clamping piece 17 of compelling the inner chamber of pressing from both sides cover 16 with steel cable 20 to support pressing between the terminal surface in cone section 162 and cylindrical hole.
Compared with the prior art, this application is through screwing the cover 16 that presss from both sides, makes clamping piece 17 tightly sting steel cable 20 in pressing from both sides cover 16 to press from both sides tight steel cable 20, it is convenient to tighten, and the installation is simple, sparingly installs consuming time, through set up first stretching plate 13, second stretching plate 14 and extension spring 15 between yaw 10 and connector 11, extension spring 15 absorbs the pulling force on the steel cable 20, avoids steel cable 20's connector 11 can not torn and draws destruction, guarantees the operation safety.
Further, the inner bore of the nut segment 161 is formed with an internal thread matching the external thread, and the step 164 is formed on the end surface of the inner bore connecting the nut segment 161 and the cone segment 162.
Further, the clip 17 includes a bottom ring 171 and a plurality of blades 172 circumferentially disposed on the bottom ring 171 about a center line of the bottom ring 171, bottom ends of the blades 172 and the bottom ring 171 form a stop boss 173 for stopping on the step 164, the blades 172 are obliquely disposed on the bottom ring 171, gaps remain between the blades 172, and the plurality of blades 172 circumferentially form a tapered cavity 174 gradually contracting toward an end away from the bottom ring 171. The cable 20 is threaded into the tapered cavity 174. The structural design of the clamping piece 17 is matched with the clamping sleeve 16, the end surface of the bottom ring 171 of the clamping piece 17, which is far away from the blades 172, butts against the end surface of the cylindrical hole, and the number of the blades 172 adopted in the embodiment is more than four.
Further, a fastening nut 18 is fixedly mounted at the end of the cylindrical hole of the connector 11, a threaded hole is formed on the surface of the fastening nut 18, and a fastening screw 19 for fastening and locking the end of the steel cable 20 is arranged in the threaded hole.
When the steel cable 20 needs to be tightened, the end of the steel cable 20 penetrates through the jacket 16 and the clip 17 in sequence and then penetrates into the cylindrical hole of the connector 11, the end of the steel cable 20 abuts against the fastening nut 18 on the outer side of the connector 11, the bottom ring 171 of the clip 17 abuts against the end face of the connector 11 and is sleeved in the end face of the steel cable 20, then the jacket 16 is screwed in towards the external thread on the outer wall surface of the cylindrical hole, when the internal thread and the external thread of the inner hole of the nut section 161 in the jacket 16 are connected, the clip 17 embedded in the inner cavity of the jacket 16 fills the gap between the inner cavity of the jacket 16 and the steel cable 20, the bottom end of the blade 172 and the stop boss 173 formed by the bottom ring 171 abut against the step 164, and the steel cable 20 is tightly. After the clamping sleeve 16 clamps the steel cable 20, the clamping of the steel cable 20 is provided with double guarantee through the locking of the fastening screw 19 at the tail end of the steel cable 20.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. A safety line energy absorption device, includes yaw (10) and connector (11), its characterized in that: a shell (12) is connected between the swinging head (10) and the connector (11), a first stretching plate (13) and a second stretching plate (14) are symmetrically arranged in the shell (12), the outer sides of the first stretching plate (13) and the second stretching plate (14) are respectively connected with the swinging head (10) and the connector (11), a tension spring (15) is connected in parallel between the first stretching plate (13) and the second stretching plate (14), and two ends of the tension spring (15) are respectively hooked on the first stretching plate (13) and the second stretching plate (14);
the connector (11) comprises a connecting section (111) connected with the second stretching plate (14) and an installation section (112) used for installing a steel cable, a warning sleeve (113) is arranged between the connecting section (111) and the installation section (112), and the warning sleeve (113) is divided into a warning area (114) and a safety area (115);
the mounting section (112) is provided with a cylindrical hole for accommodating a steel cable, an external thread is processed on the surface of the outer wall of the cylindrical hole, the connecting head (11) is connected with a jacket (16) for clamping the steel cable in the cylindrical hole through a thread, the jacket (16) comprises a nut section (161) and a cone section (162), the cone section (162) is provided with a through hole (163), the aperture of the through hole (163) is gradually reduced towards one end far away from the nut section (161), and a clamping piece (17) for pressing the steel cable in an inner cavity of the jacket (16) is arranged between the end face of the cone section (162) and the cylindrical hole in a pressing mode.
2. The safety line energy absorbing device of claim 1, wherein: the inner hole of the nut section (161) is provided with an internal thread matched with the external thread, and the inner hole and the nut section (161) are connected with the end face of the cone section (162) to form a step (164).
3. The safety line energy absorbing device of claim 2, wherein: the clamping piece (17) comprises a bottom ring (171) and a plurality of blades (172) arranged on the bottom ring (171) in the circumferential direction of the center line of the bottom ring (171), the bottom ends of the blades (172) and the bottom ring (171) form stop bosses (173) which are abutted against steps (164), the blades (172) are obliquely arranged on the bottom ring (171), gaps are reserved among the blades (172), and a conical cavity (174) which gradually shrinks towards one end far away from the bottom ring (171) is formed in the circumferential direction of the blades (172).
4. The safety line energy absorbing device of claim 1, wherein: the tail end of the cylindrical hole of the connector (11) is fixedly provided with a fastening nut (18), a threaded hole is formed in the surface of the fastening nut (18), and a fastening screw (19) used for screwing and locking the tail end of the steel cable is arranged in the threaded hole.
5. The safety line energy absorbing device of claim 1, wherein: the first stretching plate (13) is connected with the swing head (10) through a bolt.
6. The safety line energy absorbing device of claim 1, wherein: the extension springs (15) are 2 and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274935.XU CN211901454U (en) | 2020-03-07 | 2020-03-07 | Safety line energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274935.XU CN211901454U (en) | 2020-03-07 | 2020-03-07 | Safety line energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901454U true CN211901454U (en) | 2020-11-10 |
Family
ID=73300798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020274935.XU Active CN211901454U (en) | 2020-03-07 | 2020-03-07 | Safety line energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883224A (en) * | 2021-10-28 | 2022-01-04 | 南通昌荣机电有限公司 | Press type steel wire rope connector |
-
2020
- 2020-03-07 CN CN202020274935.XU patent/CN211901454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883224A (en) * | 2021-10-28 | 2022-01-04 | 南通昌荣机电有限公司 | Press type steel wire rope connector |
| CN113883224B (en) * | 2021-10-28 | 2023-03-14 | 南通昌荣机电有限公司 | Press type steel wire rope connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230518 Address after: Room 446, room 406, No. 1, Yichuang street, Huangpu District (Zhongxin Guangzhou Knowledge City), Guangzhou 510000, Guangdong Province Patentee after: Guangdong engu Security Technology Development Co.,Ltd. Address before: Room 338A, 1392 Baiyun Avenue North, Baiyun District, Guangzhou City, Guangdong 510000 Patentee before: Guangzhou Engu Safety Protection Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |