CN115138000B - Lifting sling sounding warning device for fire rescue - Google Patents
Lifting sling sounding warning device for fire rescue Download PDFInfo
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- CN115138000B CN115138000B CN202210735067.4A CN202210735067A CN115138000B CN 115138000 B CN115138000 B CN 115138000B CN 202210735067 A CN202210735067 A CN 202210735067A CN 115138000 B CN115138000 B CN 115138000B
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- lifting sling
- sound
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/16—Life-saving ropes or belts
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/02—Audible signalling systems; Audible personal calling systems using only mechanical transmission
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- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to a lifting sling sounding warning device for fire rescue, which comprises: the two rolling knocking parts are arranged on two sides of the lifting sling in a side-supporting manner, and the lifting sling is arranged on the winch; the sound tube is collinear with the equally dividing axes of the two rolling knocking parts; the winch drives the lifting sling to pay off, the lifting sling can drive the two rolling knocking parts to rotate in a friction mode, the two rolling knocking parts can circularly knock the sounding pipe to sound, different workers can know the paying-off size of the lifting sling according to sounding times, good prompting effect in the paying-off work of the lifting sling is provided, and real-time control of the working state of the lifting sling is facilitated.
Description
Technical Field
The invention relates to the technical field of fire rescue, in particular to a lifting sling sounding warning device for fire rescue.
Background
Fire control is the general term for eliminating hidden trouble and preventing disaster, namely preventing and solving artificial and natural and accidental disasters encountered by people in life, work and study processes, and lifting slings are used as fire tools in the field of search and rescue.
During fire rescue, the lifting sling does not generate warning sound in use, and the paying-off length cannot be known by different staff synchronously in time, so that the use controllability of the lifting sling is poor; and the length of lift hoist cable is fixed, and it relies on the fastness of being connected with the rubber disc completely and not drops at the unwrapping wire in-process, lacks warning protection effect, and the security is poor, no longer can continue the unwrapping wire when, can not receive feedback information by the staff of hoist cable.
Disclosure of Invention
The invention aims to solve the technical problems that: the technical problem that the lifting sling for fire rescue is poor in use mode in the prior art is solved, and the lifting sling sounding warning device for fire rescue is provided.
The technical scheme adopted for solving the technical problems is as follows: a lifting sling audible warning device for fire rescue, comprising:
the two rolling knocking parts are arranged on two sides of the lifting sling in a side-by-side manner, the two rolling knocking parts are rotatably arranged on the winch, and the lifting sling is arranged on the winch;
the sound generating pipe is arranged on the winch and is collinear with the equal dividing axes of the two rolling knocking parts;
the protection sounding part is arranged at the tail end of the lifting sling close to the winch;
when the lifting sling is paid off, the lifting sling can rub the two rolling knocking parts to rotate, so that the two rolling knocking parts circularly knock the sounding pipe to warn sounding;
when the lifting sling is used for paying off, the lifting sling can drive the protection sounding parts to strike the two rolling knocking parts and then make sounding by self-warning.
Further, the rolling knocking part comprises a rubber roller rotatably arranged on the winch, two round platform discs arranged at two sides of the rubber roller in a mirror image mode and a plurality of deformation grooves circumferentially arranged at the side end of the rubber roller;
the lifting sling can rub the rubber roller so as to circularly deform and reset the deformation grooves, wherein the deformation grooves are formed in the rubber roller;
when the lifting sling rubs the rubber roller, the rubber roller can drive the two round platform discs to rotate.
Further, the rolling knocking part further comprises a fixed column arranged at one side of one of the round table discs and a knocking rod hinged at the lower end of the fixed column;
the outer loop line of the fixed column is tangent to the inner loop line at one end of the round platform disc, wherein the outer loop line of the fixed column is tangent to the inner loop line at one end of the round platform disc;
when the rubber roller drives the two round platform discs to rotate, one of the round platform discs can drive the fixed column to rotate, so that the fixed column drives the knocking rod to rotationally knock the sounding pipe to sound and then reset.
Further, the protection sounding part comprises a blocking plate arranged on the lifting sling, an isosceles trapezoid block arranged at the center of one end of the blocking plate, and a plurality of lifting parts arranged at two sides of the isosceles trapezoid block in two rows, wherein the lifting parts are arranged at the two sides of the isosceles trapezoid block;
the lifting sling can drive the isosceles trapezoid block to be inserted into the gap between the two groups of rubber rollers in a friction mode through the blocking plate, so that the two groups of rubber rollers push the lifting parts to strike the isosceles trapezoid block to produce sound.
Further, the protection sounding part further comprises a plurality of first sounding channels which are arranged on two sides of the isosceles trapezoid block in two rows and a second sounding channel which is vertically arranged on the isosceles trapezoid block;
the first sounding channels and the lifting parts are in one-to-one correspondence;
the first sounding channels are vertically communicated with the second sounding channels, wherein;
when the two groups of rubber rollers push the two rows of the lifting parts to strike the isosceles trapezoid block for sounding, sound is suitable for being transmitted and conducted to the second sounding channel through the first sounding channels.
Further, the lifting part comprises a through groove arranged at the side end of the isosceles trapezoid block, and a striking ball inserted into and exposed out of the through groove;
the outer section of the through groove is in a sphere shape with flattened two ends, the middle section of the through groove is in a rectangle with the same diameter as the striking ball, and the inner section of the through groove is in a one third sphere shape, wherein;
the rubber roller can laterally push the impact ball so that the impact ball impacts the through groove to sound.
Further, the lifting part further comprises two containing grooves which are arranged in the through grooves in a mirror image communication mode, and two springs which are arranged in the two containing grooves;
one end of each spring is connected with each containing groove, and the other end of each spring is connected with the striking ball;
when the impact ball impacts the through groove to sound, the two springs can be compressed.
Further, two blocking strips are obliquely arranged at one end of the blocking plate in a mirror image mode;
the two blocking strips are spliced into an splayed shape, wherein;
the lifting sling can drive the two blocking strips to rub the two rubber rollers through the blocking plate.
Further, the deformation groove is in a quadrangular frustum pyramid shape.
Further, the knocking rod is semi-circular.
The winch has the advantages that when the winch drives the lifting sling to pay off, the lifting sling can drive the two rolling knocking parts to rotate in a friction mode, the two rolling knocking parts can circularly knock the sounding pipe to sound, different workers can know the paying-off size of the lifting sling according to sounding times, good prompting effect in the paying-off work of the lifting sling is provided, and real-time control of the working state of the lifting sling is facilitated; when the winch is about to be pulled along with paying-off work, the lifting sling can drive the protection sounding parts to strike the two rolling knocking parts, the two rolling knocking parts play a limiting protection role on the lifting sling through the anti-hair-protection sounding parts so as to prevent the lifting sling from continuing paying-off and pulling the winch, and the process of the protection sounding parts to strike the two rolling knocking parts can continuously sound, so that the effect in the use of the lifting sling fire safety is ensured, and the stability of the fire rescue work is increased due to timely feedback information received by workers of the lifting sling.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a lifting sling audible warning device for firefighting rescue of the present invention;
FIG. 2 is a perspective view of a preferred embodiment of a lifting sling audible alert device for firefighting rescue of the present invention;
FIG. 3 is a front view of a preferred embodiment of a lifting sling audible alert device for firefighting rescue of the present invention;
FIG. 4 is a perspective view of a knocking rod and knocking sounding pipe of the lifting sling sounding warning device for fire rescue;
fig. 5 is a test chart of an anti-sound and anti-sound part for fire rescue according to the present invention;
FIG. 6 is an elevation view of an isosceles trapezoid block of the invention;
fig. 7 is an enlarged view of fig. 6 at a in accordance with the present invention.
In the figure:
1. a rolling knocking part; 11. a rubber roller; 12. round table disc; 13. a deformation groove; 14. fixing the column; 15. knocking the rod;
2. lifting slings;
3. a winch;
4. a sound tube;
5. an anti-hair-sound-care part; 51. a blocking plate; 52. isosceles trapezoid block;
53. a lifting part; 531. a through groove; 532. striking a ball; 533. a receiving groove; 534. a spring;
54. a first sound generation channel; 55. a second sound channel;
6. and a blocking strip.
Description of the embodiments
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Referring to fig. 1, fig. 1 is a perspective view of a lifting sling sounding warning device for fire rescue according to the present invention; referring to fig. 2, fig. 2 is a perspective view of a preferred embodiment of a lifting sling audible warning device for fire rescue according to the present invention; referring to fig. 3, fig. 3 is a front view of a preferred embodiment of a lifting sling audible warning device for fire rescue according to the present invention; referring to fig. 1-3, a lifting sling sounding warning device for fire rescue, comprising:
the two rolling knocking parts 1 are arranged on two sides of the lifting sling 2 in a propping mode, the lifting sling 2 is inserted into gaps of the two rolling knocking parts 1, the two rolling knocking parts 1 are rotatably arranged on the winch 3, and the lifting sling 2 is arranged on a supporting frame on the winch 3;
a sound tube 4, wherein the sound tube 4 is arranged on the winch 3 and is collinear with the bisecting axes of the two rolling knocking parts 1, and the sound tube 4 comprises but is not limited to a metal material;
an anti-hair-sound part 5, the anti-hair-sound part 5 being provided at the end of the lifting sling 2 near the winch 3, wherein;
when the lifting sling 2 pays out, the lifting sling 2 can rub the two rolling knocking parts 1 to rotate so that the two rolling knocking parts 1 circularly knock the sounding pipe 4 to warn sounding;
when the lifting sling 2 is paid out, the lifting sling 2 can drive the two of protection sounding parts 5 to strike the back of the rolling sounding parts 1 from the warning sounding, and specifically, when the winch 3 drives the lifting sling 2 to pay out, the lifting sling 2 can drive the two rolling sounding parts 1 to rotate in friction, the two rolling sounding parts 1 can circularly strike the sounding pipe 4 to sound, different staff can let the unwrapping wire size of the lifting sling 2 according to sounding times, good prompting effect in the paying-off work of the lifting sling 2 is provided, the real-time control of the working state of the lifting sling 2 is facilitated, the rotation frequency of the two rolling sounding parts 1 is fixed, when one rolling sounding part 1 breaks down, the other rolling sounding part 1 can play a role according to the need, the sounding work of the sounding pipe 4 can not be hindered, and the state of the two rolling sounding parts 1 synchronously strike the sounding pipe 4 to resonate to increase the volume, when the lifting sling 2 is about to pull the winch 3 along with the paying-off work, the lifting sling 2 can drive the two rolling sounding parts 1 to strike the two rolling sounding parts 5, the two rolling sounding parts 1 are prevented from being struck by the two lifting slings 2, the fire fighting effect is guaranteed to be continuous, and the two lifting slings can be prevented from being continuously controlled by the lifting sling 2 through the lifting sling 2, and the fire fighting effect is guaranteed to be continuous by the lifting sling 2.
Optionally, the rolling knocking part 1 includes a rubber roller 11 rotatably disposed on the winch 3, two circular truncated cone discs 12 mirror-image disposed on two sides of the rubber roller 11, and a plurality of deformation grooves 13 circumferentially disposed on side ends of the rubber roller 11;
the lifting sling 2 can rub the rubber roller 11 to circularly deform and reset the deformation grooves 13, wherein;
when the lifting sling 2 rubs the rubber roller 11, the rubber roller 11 can drive two round platform discs 12 to rotate, specifically, the rubber roller 11 is in interference abutment with the lifting sling 2, the lifting sling 2 is in friction contact with the rubber roller 11, the rubber roller 11 is subjected to certain deformation acting force in the process of contacting the rubber roller 11, therefore, the rotation process of the rubber roller 11 after stress can not be changed, four round platform discs 12 and two rubber rollers 11 form a radial moving track of the lifting sling 2, the up-and-down offset action in the moving process of the lifting sling 2 is protected by the two rubber rollers 11, the left-and-right offset action in the moving process of the lifting sling 2 is protected by the two round platform discs 12, the end face with smaller diameter of the round platform disc 12 faces inwards, the end face with larger diameter of the round platform disc 12 faces outwards, the annular concave face at the inner side of the round platform disc 12 can be in abutment with the lifting sling 2, the contact angle between the expansion and the lifting sling 2 is more uniform, the limited position acting force of the lifting sling 2 is expanded, the rubber roller 11 is provided with certain deformation space, the attachment of the lifting sling 2 is increased, and the lifting sling 2 is separated from the rubber roller 11.
Optionally, the deformation groove 13 is quadrangular frustum pyramid, specifically, the opening of the deformation groove 13 is gradually enlarged from the direction close to the rubber roll 11 towards the direction far away from the rubber roll 11, when the deformation groove 13 receives the interference acting force of the lifting sling 2, the deformation process of the rubber roll 11 has a progressive process, so that the deformation process is gradually increased and blocked, and the stability is increased.
Optionally, the rolling knocking portion 1 further includes a fixing column 14 disposed at one side of the circular table disc 12, and a knocking rod 15 hinged to a lower end of the fixing column 14;
the outer loop line of the fixed column 14 is tangent to the inner loop line at one end of the circular table disc 12, wherein;
when the rubber roller 11 drives two round platform discs 12 to rotate, one of the round platform discs 12 can drive the fixed column 14 to rotate, so that the fixed column 14 drives the knocking rod 15 to rotate and knock the sounding pipe 4 to reset after sounding, specifically, the round platform disc 12 drives the fixed column 14 to rotate, so that the knocking rod 15 knocks the sounding pipe 4 to sound, the knocking rod 15 can automatically rotate under the blocking guiding action of the side edge of the knocking rod after knocking the sounding pipe 4, the knocking rod 15 is timely adjusted to a preset position in the working process, the knocking work of the knocking rod 15 and the knocking position of the sounding pipe 4 cannot be changed, the circular operation of the knocking work is facilitated, the circumference of the round platform disc 12 is one meter, the round platform disc 12 drives the knocking rod 15 to knock every round, and the paying-off length corresponding to the lifting sling 2 is one meter.
Referring to fig. 4, fig. 4 is a perspective view of a knocking rod and knocking sounding pipe of the lifting sling sounding warning device for fire rescue according to the present invention; the knocking rod 15 is semicircular, specifically, the arched part of the knocking rod 15 is in the same direction of the rotation of the circular table disc 12, and the concave part of the knocking rod 15 is in the opposite direction of the rotation of the circular table disc 12, so that the knocking contact state between the knocking rod 15 and the sounding pipe 4 is better.
Referring to fig. 5, fig. 5 is a test chart of an anti-sound-conditioning part for fire rescue according to the present invention; referring to FIG. 6, FIG. 6 is a front view of an isosceles trapezoid block according to the present invention; referring to fig. 7, fig. 7 is an enlarged view of a portion a in fig. 6, and referring to fig. 5-7, the protection sounding part 5 includes a blocking plate 51 disposed on the lifting sling 2, an isosceles trapezoid block 52 disposed at a center of one end of the blocking plate 51, and a plurality of lifting parts 53 disposed at two sides of the isosceles trapezoid block 52 in two rows, wherein the isosceles trapezoid block 52 includes but is not limited to a metal material;
the lifting sling 2 can drive the isosceles trapezoid block 52 to frictionally penetrate through gaps of the two groups of rubber rollers 11 through the blocking plate 51, so that the two groups of rubber rollers 11 push the two rows of lifting parts 53 to strike the isosceles trapezoid block 52 to sound, specifically, the width of one end of the isosceles trapezoid block 52 close to the space between the two groups of rubber rollers 11 is smaller than the width of one end far away from the space between the two groups of rubber rollers 11, the lifting parts 53 are arranged at the side ends of the isosceles trapezoid block 52 in two rows, the isosceles trapezoid block 52 penetrates through the gaps between the two groups of rubber rollers 11 along with the movement of the blocking plate 51 and the lifting sling 2, the isosceles trapezoid block 52 is gradually blocked in a process, the lifting parts 53 strike the isosceles trapezoid block 52 to sound after receiving the relative acting force of the two groups of rubber rollers 11, the sound production process is continuous and gradually increased, the sound production process is different from the meter-counting sound production of the lifting sling 2 in the preamble process, and the warning sound is provided with characteristics.
Optionally, the protection sounding part 5 further includes a plurality of first sounding channels 54 arranged on two sides of the isosceles trapezoid block 52 in two rows, and a second sounding channel 55 vertically arranged on the isosceles trapezoid block 52;
the plurality of first sounding channels 54 and the plurality of lifting parts 53 are in one-to-one correspondence;
the first sounding channels 54 are vertically communicated with the second sounding channels 55, wherein;
when the two groups of the rubber rollers 11 push the two rows of the lifting parts 53 to strike the isosceles trapezoid block 52 to generate sound, the sound is suitable for being transmitted and conducted to the second sound generation channel 55 through the first sound generation channels 54, specifically, the sound after the lifting parts 53 strike the isosceles trapezoid block 52 can reach the second sound generation channel 55 through the first sound generation channels 54, the second sound generation channel 55 is in a truncated cone shape, and the sound is collected together to increase the effect.
Optionally, the lifting part 53 includes a through groove 531 provided at a side end of the isosceles trapezoid block 52 and an impact ball 532 inserted into and exposed from the through groove 531;
the outer section of the through groove 531 is in a sphere shape with two flattened ends, the middle section of the through groove 531 is in a rectangle with the same diameter as the impact ball 532, and the inner section of the through groove 531 is in a one third sphere shape, wherein;
the rubber roller 11 can laterally push the impact ball 532, so that the impact ball 532 impacts the through groove 531 to generate sound, specifically, the impact ball 532 can roll locally to reduce friction force in the process of rubbing the impact rubber roller 11, in the process of specific stress activity of the impact ball 532, the exposed part of the impact ball is subjected to the relative acting force of the rubber roller 11 and moves radially under the limiting acting force of the middle section of the through groove 531 until the impact ball 532 is impacted and attached to the through groove 531 in multiple angles, so that the stress in the process of generating sound of the impact ball 532 is balanced evenly, and the impact can generate sound in the process.
Optionally, the lifting part 53 further includes two receiving grooves 533 disposed in mirror image communication with the through grooves 531, and two springs 534 disposed in the two receiving grooves 533;
one end of the two springs 534 is connected with the two accommodating grooves 533, and the other end of the two springs 534 is connected with the impact ball 532;
when the impact ball 532 impacts the through groove 531 to sound, the two springs 534 can compress, specifically, the state that the impact ball 532 is not stressed and the through groove 531 is exposed is based on the traction positioning action of the two springs 534, when the impact ball 532 is stressed and moves, the two springs 534 stretch and store energy, when the impact ball 532 is not stressed, the two springs 534 release the energy storage to restore the impact ball 532 to the initial position, so that the repeated realization of the functionality of the impact ball is facilitated.
Optionally, two blocking strips 6 are obliquely arranged at one end of the blocking plate 51 in a mirror image manner;
the two blocking strips 6 are spliced into an eight-shaped structure, wherein;
the lifting sling 2 can drive two blocking strips 6 to rub two rubber rollers 11 through the blocking plate 51, specifically, the distance between the two blocking strips 6 is small up and large down, and the inner side of the blocking strips is propped against the outer sides of the two rubber rollers 11 along with the movement of the blocking plate 51, so that the movement of the lifting sling 2 is blocked, the working is performed in multiple modes and multiple positions, the protection force for the lifting sling 2 is increased, and the lifting sling 2 is prevented from pulling the winch 3.
When the lifting sling sounding warning device for fire rescue is used, the lifting sling 2 is bound on a firefighter to conduct paying-off work, the winch 3 rotates, the lifting sling 2 rubs two rubber rollers 11 to rotate, four round platform discs 12 rotate in pairs, two fixed columns 14 drive two knocking rods 15 to circularly knock a common sounding pipe 4 to sound, and the paying-off process of the lifting sling 2 warns of rice;
when the winch 3 is pulled when the lifting sling 2 is about to pay off, the corresponding segment of the lifting sling 2 drives the blocking plate 51 to move towards the two rubber rollers 11, the blocking plate 51 drives the two blocking strips 6 and the isosceles trapezoid blocking block 52 to respectively abut against the outer side and the inner side of the two rubber rollers 11, the paying-off work of the lifting sling 2 is stopped, the plurality of impact balls 532 are subjected to the relative impact acting force of the two rubber rollers 11 to gradually displace at the plurality of through grooves 531 to impact and sound, and the paying-off work of the lifting sling 2 is prompted to finish.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. Lifting sling sounding warning device for fire rescue, which is characterized by comprising:
the two rolling knocking parts (1) are arranged at two sides of the lifting sling (2) in a propping mode, and the lifting sling (2) is arranged on the winch (3);
a sound tube (4), wherein the sound tube (4) is collinear with the bisecting axes of the two rolling knocking parts (1);
a sound protection part (5), the sound protection part (5) is arranged at the tail end of the lifting sling (2) close to the winch (3),
the rolling knocking part (1) comprises a rubber roller (11), two round platform discs (12) arranged at two sides of the rubber roller (11) in a mirror image mode and a plurality of deformation grooves (13) arranged at the side end of the rubber roller (11) in a circumference mode;
the lifting sling (2) can rub the rubber roller (11) to circularly deform and reset a plurality of deformation grooves (13), wherein
When the lifting sling (2) rubs the rubber roller (11), the rubber roller (11) can drive the two round platform discs (12) to rotate;
the rolling knocking part (1) further comprises a fixed column (14) arranged on one side of one of the round table discs (12) and a knocking rod (15) hinged to the lower end of the fixed column (14);
the outer ring line of the fixed column (14) is tangent with the inner ring line at one end of the round platform disc (12), the knocking rod (15) is in a semicircular shape, the arched part of the knocking rod (15) is in the same direction of the rotation of the round table disc (12), the concave part of the knocking rod (15) is in the opposite direction of the rotation of the round table disc (12), wherein
When rubber roll (11) drive two round platform dish (12) are rotatory, one of them round platform dish (12) can drive fixed column (14) are rotatory, so that fixed column (14) drive strike pole (15) are rotatory to strike reset behind sound production tube (4), round platform dish (12) drive fixed column (14) are rotatory to make strike pole (15) strike sound production of sound production tube (4), strike pole (15) can receive the blocking guiding effect autogenous rotation of its side after striking sound production tube (4), do benefit to and strike pole (15) and adjust to predetermined position in time in the course of the work, make its and to sound production tube (4) strike the position and can not change, do benefit to the circulation of its work of beating, wherein
When the lifting sling (2) pays out, the lifting sling (2) can rub the two rolling knocking parts (1) to rotate so that the two rolling knocking parts (1) circularly knock the sounding pipe (4) to warn sounding; the winch (3) rotates, the lifting sling (2) rubs the two rubber rollers (11) to rotate, the four round table discs (12) rotate in pairs, the two fixed columns (14) drive the two knocking rods (15) to circularly knock a common sound-emitting tube (4) to produce sound, and the paying-off process of the lifting sling (2) warns about rice marking;
when lifting sling (2) unwrapping wire, lifting sling (2) can drive protection sound production portion (5) striking is two from warning sound production after rolling and beating portion (1), treat lifting sling (2) and will drag capstan winch (3) along with unwrapping wire work, lifting sling (2) can drive and prevent two rolling of hair care sound portion (5) striking and beat portion (15), two rolling are beaten portion (1) and are played spacing guard action and are avoided lifting sling (2) to continue the unwrapping wire to drag capstan winch (3) through preventing hair care sound portion (5) to lifting sling (2), and the process of protection sound production portion (5) striking two rolling and beating portion (1) can sound in succession.
2. The lifting sling audible warning device for firefighting rescue of claim 1, wherein:
the protection sounding part (5) comprises a blocking plate (51) arranged on the lifting sling (2), an isosceles trapezoid block (52) arranged at the center of one end of the blocking plate (51), and a plurality of lifting parts (53) arranged at two sides of the isosceles trapezoid block (52) in two rows, wherein the lifting parts are arranged on the two sides of the isosceles trapezoid block (52)
The lifting sling (2) can drive the isosceles trapezoid block (52) to be inserted into gaps of the two groups of rubber rollers (11) in a friction mode through the blocking plate (51), so that the two groups of rubber rollers (11) push the two rows of lifting parts (53) to strike the isosceles trapezoid block (52) to sound.
3. The lifting sling audible warning device for firefighting rescue of claim 2, wherein:
the protection sounding part (5) further comprises a plurality of first sounding channels (54) which are arranged on two sides of the isosceles trapezoid block (52) in two rows and a second sounding channel (55) which is vertically arranged on the isosceles trapezoid block (52);
the plurality of first sounding channels (54) are in one-to-one correspondence with the plurality of lifting parts (53);
a plurality of the first sounding channels (54) are vertically communicated with the second sounding channel (55), wherein
When the two groups of rubber rollers (11) push two rows of the lifting parts (53) to strike the isosceles trapezoid block (52) for sounding, sound is suitable for being transmitted and converged to the second sounding channel (55) through the first sounding channels (54).
4. A lifting sling audible warning device for fire rescue as defined in claim 3, wherein:
the lifting part (53) comprises a through groove (531) arranged at the side end of the isosceles trapezoid block (52) and an impact ball (532) penetrating through the through groove (531) and exposing the through groove;
the outer section of the through groove (531) is in a sphere shape with flattened two ends, the middle section of the through groove (531) is in a rectangle with the same diameter as the impact ball (532), the inner section of the through groove (531) is in a sphere shape of one third, wherein
The rubber roller (11) can push the impact ball (532) sideways so that the impact ball (532) impacts the through groove (531) to sound.
5. The lifting sling audible warning device for firefighting rescue of claim 4, wherein:
the lifting part (53) further comprises two containing grooves (533) which are arranged in the through grooves (531) in a mirror image communication mode and two springs (534) which are arranged in the two containing grooves (533);
one end of the two springs (534) is connected with the two containing grooves (533), and the other end of the two springs (534) is connected with the impact ball (532), wherein
When the impact ball (532) impacts the through groove (531) to sound, the two springs (534) can be compressed.
6. The lifting sling audible warning device for firefighting rescue of claim 5, wherein:
two blocking strips (6) are obliquely arranged at one end of the blocking plate (51) in a mirror image mode;
two blocking strips (6) are spliced into an eight-shaped form, wherein
The lifting sling (2) can drive the two blocking strips (6) to rub the two rubber rollers (11) through the blocking plate (51).
7. The lifting sling audible warning device for firefighting rescue of claim 6, wherein:
the deformation groove (13) is in a quadrangular frustum pyramid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735067.4A CN115138000B (en) | 2022-06-27 | 2022-06-27 | Lifting sling sounding warning device for fire rescue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735067.4A CN115138000B (en) | 2022-06-27 | 2022-06-27 | Lifting sling sounding warning device for fire rescue |
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| CN115138000A CN115138000A (en) | 2022-10-04 |
| CN115138000B true CN115138000B (en) | 2023-06-16 |
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| CN202210735067.4A Active CN115138000B (en) | 2022-06-27 | 2022-06-27 | Lifting sling sounding warning device for fire rescue |
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|---|---|---|---|---|
| GB191021965A (en) * | 1911-03-03 | 1911-11-09 | John Baird Durham | Fire Escape. |
| US7823845B2 (en) * | 2002-05-09 | 2010-11-02 | Dmr Holding Group, Llc | Corner climber |
| JP2004018212A (en) * | 2002-06-18 | 2004-01-22 | Tcm Corp | Safety belt mounting device for picking forklift |
| US20080041661A1 (en) * | 2006-08-08 | 2008-02-21 | D B Industries, Inc. | Retractable horizontal lifeline assembly |
| CN201239445Y (en) * | 2008-07-07 | 2009-05-20 | 福建特瑞达高楼自救仪有限公司 | Alarming device of tall building self-saving device |
| US10138102B2 (en) * | 2013-07-23 | 2018-11-27 | Viki V. Walbridge | Warning and message delivery and logging system utilizable in a fall arresting and prevention device and method of same |
| CN104857644B (en) * | 2015-05-29 | 2018-05-04 | 沈阳建筑大学 | High building fire-proof rescue system outside a kind of packaged type building |
| CN109481860B (en) * | 2018-11-19 | 2021-04-30 | 广州云腾茶叶有限公司 | Intelligent rope slow-descending lifesaving backpack |
| CN111498725B (en) * | 2020-04-29 | 2021-07-06 | 安徽格锐鑫智能装备有限公司 | Braking device for pneumatic monorail crane and using method thereof |
| CN216653179U (en) * | 2022-01-11 | 2022-06-03 | 赛轮(东营)轮胎股份有限公司 | Slow-speed locking anti-falling device for high-altitude operation activities |
| CN114602086A (en) * | 2022-03-16 | 2022-06-10 | 刘洪智 | High-altitude fire rescue device for high-rise building and control method thereof |
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