CN212403284U - A safety guarantee device for tower crane overhauls - Google Patents
A safety guarantee device for tower crane overhauls Download PDFInfo
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- CN212403284U CN212403284U CN202021033969.6U CN202021033969U CN212403284U CN 212403284 U CN212403284 U CN 212403284U CN 202021033969 U CN202021033969 U CN 202021033969U CN 212403284 U CN212403284 U CN 212403284U
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- safety guarantee
- guarantee device
- tower
- tower crane
- shaped groove
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Abstract
The utility model discloses a safety guarantee device for tower crane maintenance, which comprises a tower body, a tower arm, a slide bar and a sliding body, wherein the upper part of the tower arm is a transverse brace rod, the slide bar can be detachably fixed on the bottom surface of the transverse brace rod, the bottom surface of the slide bar is provided with a T-shaped groove along the length direction of the slide bar, and both ends of the T-shaped groove are provided with limit parts; the sliding body comprises a pulley, a connecting body and a fixing ring, the pulley is in sliding fit with the horizontal part of the T-shaped groove, the upper end of the connecting body is rotatably connected with the pulley, the lower end of the connecting body is connected with the fixing ring after extending out of the vertical part of the T-shaped groove, and the fixing ring is used for fastening a safety belt. When the safety belt is worn by an operator during maintenance, the safety belt is buckled on the fixing ring, when the operator walks back and forth on the tower arm, the safety belt slides synchronously along with the sliding body, so that the operator always has the protection of the safety belt, and the safety belt does not need to be fixed again when moving every time.
Description
Technical Field
The utility model relates to a tower crane safety protection technical field, concretely relates to safety guarantee device for tower crane overhauls.
Background
The tower crane is the most common hoisting equipment on the construction site, also called tower crane, which is lengthened section by section and used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and the tower arm is an essential equipment on the construction site.
When in maintenance, maintenance personnel need to walk on the tower arm for operation sometimes, but the length of the safety belt rope body is not enough, and the staff is convenient for a while and loosens the safety belt, so that serious accidents can easily happen after the safety belt rope body is out of order, if the safety belt rope body is too long, the safety belt rope body is not beneficial to work, and danger can easily happen after the safety belt rope body is wound.
Therefore, it is urgently needed to provide a tower arm safety device which is convenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient to use and the high safety guarantee device that is used for tower crane to overhaul of degree of safety to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a safety guarantee device for tower crane maintenance comprises a tower body and a tower arm horizontally arranged at the upper part of the tower body, wherein the upper part of the tower arm is provided with a transverse stay bar, and the safety guarantee device also comprises a slide bar and a slide body; the sliding rod is detachably fixed on the bottom surface of the transverse supporting rod, a T-shaped groove is formed in the bottom surface of the sliding rod along the length direction of the sliding rod, and limiting parts are arranged at two ends of the T-shaped groove; the sliding body comprises a pulley, a connecting body and a fixing ring, the pulley is in sliding fit with the horizontal part of the T-shaped groove, the upper end of the connecting body is rotatably connected with the pulley, the lower end of the connecting body is connected with the fixing ring after extending out of the vertical part of the T-shaped groove, and the fixing ring is used for fastening a safety belt.
The utility model provides a pair of a safety guarantee device for tower crane overhauls, during the maintenance, the operation personnel dresses the safety belt, and the safety belt buckle connects on solid fixed ring, and when the operation personnel made a round trip to walk about on the tower arm, the safety belt was followed and is slided in step, and the operation personnel all has the protection of safety belt like this constantly, does not need the safety belt of re-fixation when removing at every turn moreover, this simple structure, security height.
Preferably, the tower arm is formed by splicing a plurality of standard short arms with isosceles triangle sections, and the sliding rod comprises a plurality of standard rods in one-to-one correspondence with the standard short arms.
Preferably, the opposite end faces of two adjacent standard rods are in contact.
Preferably, the opposite end faces of two adjacent standard rods have a gap, and the width of the gap is smaller than the diameter of the pulley.
Preferably, the limiting piece is an end cover, and the end cover is fixed at the end of the sliding rod through a bolt.
Preferably, the pulley comprises two single wheels and a connecting shaft respectively connected with the centers of the two single wheels, and the two single wheels are respectively in sliding fit with the groove bodies on the two sides in the T-shaped groove.
Preferably, the connector includes connecting frame and pivot, the middle part of connecting axle is located to the upper end cover of connecting frame, and the bottom of connecting frame is equipped with spacing hole, spacing hole is located to the upper end rotatable wearing of pivot, and the lower extreme and the solid fixed ring of pivot are connected.
Preferably, two outer side walls of the slide rod are respectively provided with a downward hanging lug, and the slide rod is fixed on the bottom surface of the transverse supporting rod through a hoop fastened with the hanging lugs.
Preferably, the staple bolt includes the staple bolt piece that two symmetries set up, the staple bolt piece is including connecting nut plate, staple bolt main part and the knot of hanging of fixed connection in proper order from top to bottom, and two staple bolt pieces are through wearing to establish the screw built-up connection of nut plate jointly, and two staple bolt main parts cooperate and wrap up in the outer wall of spreader bar, and two buckles cooperate with the hangers cooperation of slide bar both sides respectively and are connected.
Preferably, the slide bar and the slide body are both made of metal materials.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Fig. 1 is an installation schematic diagram of a safety guarantee device for tower crane overhaul provided in this embodiment;
FIG. 2 is a perspective view of the slide bar and the slide body in FIG. 1;
fig. 3 is a cross-sectional view of the slide rod, slide body and cross brace in fig. 1.
In the reference symbols:
the tower comprises a tower body 1, tower arms 2, transverse supporting rods 21, sliding rods 3, T-shaped grooves 31, end covers 32, hanging lugs 33, a sliding body 4, pulleys 41, fixing rings 42, a connecting frame 43, a rotating shaft 44, nut plates 51, a hoop main body 52 and hanging buckles 53.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the present embodiment provides a safety device for tower crane maintenance, including a tower body 1, a tower arm 2, a sliding rod 3 and a sliding body 4.
Wherein, the tower arm 2 is horizontally arranged at the upper part of the tower body 1, and the upper part of the tower arm 2 is a transverse brace 21, and the tower arm 2 and the tower body 1 belong to the mature structure in the prior art, so the description is not repeated here.
As shown in fig. 3, the slide bar 3 is detachably fixed to the bottom surface of the horizontal strut 21, a T-shaped groove 31 is formed in the bottom surface of the slide bar 3 along the length direction of the slide bar 3, both ends of the T-shaped groove 31 are provided with a limiting member, the sliding body 4 includes a pulley 41, a connecting body and a fixing ring 42, the pulley 41 is in sliding fit with the horizontal portion of the T-shaped groove 31, the upper end of the connecting body is rotatably connected with the pulley 41, the lower end of the connecting body extends out of the vertical portion of the T-shaped groove 31 and then is connected with.
When the safety belt is worn by an operator during maintenance, the safety belt is buckled on the fixing ring 42, when the operator walks back and forth on the tower arm 2, the safety belt moves synchronously along the length direction of the T-shaped groove 31 along with the sliding body 4, so that when the operator walks on the tower arm 2, the safety belt is protected all the time, and the safety and the convenience are high.
In this embodiment, the tower arm 2 is formed by splicing a plurality of standard short arms with isosceles triangle sections, and the sliding rod 3 includes a plurality of standard rods corresponding to the standard short arms one by one, that is, one standard short arm corresponds to one standard rod.
In the present embodiment, the opposite end faces of two adjacent standard bars are in contact or have a gap therebetween, and the width of the gap is smaller than the diameter of the pulley 41. The normal sliding of the sliding body 4 is not affected by the contact of the opposite end surfaces of the two adjacent standard rods or the slight gap, so that the butt joint precision of the standard rods is reduced.
In this embodiment, the limiting member is an end cap 32, the end cap 32 is fixed at the end of the sliding rod 3 by a bolt, and the end cap 32 is provided to ensure that the sliding body 4 does not separate from the T-shaped groove 31.
In this embodiment, the pulley 41 includes two independent wheels and a connecting shaft respectively connected to the centers of the two independent wheels, the two independent wheels are respectively in sliding fit with the two side grooves in the T-shaped groove 31, and the pulley 41 is highly stable through the sliding fit of the two independent wheels with the T-shaped groove 31.
In this embodiment, the connector includes the connection frame 43 and the pivot 44, the middle part of connecting axle is located to the upper end cover of connection frame 43, and the bottom of connection frame 43 is equipped with spacing hole, and spacing hole is located to rotatable the wearing of the upper end of pivot 44, and the lower extreme and the solid fixed ring 42 of pivot 44 are connected. Through setting up pivot 44, the solid fixed ring 42 of being convenient for is rotatory, reduces the safety belt rope body and ties.
In this embodiment, two outer sidewalls of the slide rod 3 are respectively provided with the hangers 33 facing downwards, the slide rod 3 is fixed on the bottom surface of the cross brace 21 through the hoop fastened with the hangers 33, the hoop includes two hoop holding pieces symmetrically arranged, the hoop holding pieces include nut plates 51 connected to the nut plates from top to bottom in turn, hoop main bodies 52 and hanging buckles 53, the two hoop holding pieces are connected through a screw combination commonly penetrating the nut plates 51, the two hoop main bodies 52 are matched with and wrapped on the outer wall of the cross brace 21, and the two hanging buckles 53 are respectively connected with the hangers 33 on two sides of the slide rod 3 in a matching manner.
When the slide bar 3 is fixed, the hanging buckles 53 of the two hoop sheets are buckled on the hanging lugs 33, then the hoop main body 52 is wrapped on the transverse support rod 21, and finally the two hoop sheets are connected into a whole by the screw combination penetrating through the nut plate 51, so that the slide bar 3 is fixed on the transverse support rod 21.
In this embodiment, the sliding rod 3 and the sliding body 4 are made of metal materials to ensure the safety of the safety device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a safety guarantee device for tower crane overhauls, includes that tower body (1) and level locate tower body (1) upper portion tower arm (2), the upper portion of tower arm (2) is transverse supporting rod (21), its characterized in that: the device also comprises a slide bar (3) and a slide body (4);
the sliding rod (3) is detachably fixed on the bottom surface of the transverse supporting rod (21), a T-shaped groove (31) is formed in the bottom surface of the sliding rod (3) along the length direction of the sliding rod (3), and limiting parts are arranged at two ends of the T-shaped groove (31);
the sliding body (4) comprises a pulley (41), a connecting body and a fixing ring (42), the pulley (41) is in sliding fit with the horizontal portion of the T-shaped groove (31), the upper end of the connecting body is rotatably connected with the pulley (41), the lower end of the connecting body is connected with the fixing ring (42) after extending out of the vertical portion of the T-shaped groove (31), and the fixing ring (42) is used for buckling a safety belt.
2. The safety guarantee device for tower crane overhaul according to claim 1, characterized in that: the tower arm (2) is formed by splicing a plurality of standard short arms with isosceles triangle sections, and the sliding rod (3) comprises a plurality of standard rods in one-to-one correspondence with the standard short arms.
3. The safety guarantee device for tower crane overhaul according to claim 2, wherein the safety guarantee device comprises: the opposite end surfaces of two adjacent standard rods are contacted.
4. The safety guarantee device for tower crane overhaul according to claim 2, wherein the safety guarantee device comprises: and a gap is formed between the opposite end surfaces of the two adjacent standard rods, and the width of the gap is smaller than the diameter of the pulley (41).
5. The safety guarantee device for tower crane overhaul according to claim 2, wherein the safety guarantee device comprises: the limiting part is an end cover (32), and the end cover (32) is fixed at the end part of the sliding rod (3) through a bolt.
6. The safety guarantee device for tower crane overhaul according to claim 2, wherein the safety guarantee device comprises: the pulley (41) comprises two single wheels and connecting shafts respectively connected with the centers of the two single wheels, and the two single wheels are respectively in sliding fit with groove bodies on two sides in the T-shaped groove (31).
7. The safety guarantee device for tower crane overhaul according to claim 6, wherein: the connector includes connecting frame (43) and pivot (44), the middle part of connecting axle is located to the upper end cover of connecting frame (43), and the bottom of connecting frame (43) is equipped with spacing hole, spacing hole is located to the upper end rotatable wearing of pivot (44), and the lower extreme and the solid fixed ring (42) of pivot (44) are connected.
8. The safety guarantee device for tower crane overhaul according to claim 7, wherein: two outer side walls of the slide rod (3) are respectively provided with a downward hanging lug (33), and the slide rod (3) is fixed on the bottom surface of the transverse supporting rod (21) through a hoop fastened with the hanging lugs (33).
9. The safety guarantee device for tower crane overhaul according to claim 8, wherein: the staple bolt includes the staple bolt piece that two symmetries set up, the staple bolt piece is including connecting nut plate (51), staple bolt main part (52) and hanging knot (53) of fixed connection in proper order from top to bottom, and two staple bolt pieces are through wearing to establish the screw built-up connection of nut plate (51) jointly, and two staple bolt main parts (52) cooperate and wrap up in the outer wall of horizontal support rod (21), and two are hung and detain (53) and are connected with hangers (33) cooperation of slide bar (3) both sides respectively.
10. The safety guarantee device for tower crane overhaul according to any one of claims 1 to 9, wherein: the sliding rod (3) and the sliding body (4) are both made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033969.6U CN212403284U (en) | 2020-06-08 | 2020-06-08 | A safety guarantee device for tower crane overhauls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033969.6U CN212403284U (en) | 2020-06-08 | 2020-06-08 | A safety guarantee device for tower crane overhauls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212403284U true CN212403284U (en) | 2021-01-26 |
Family
ID=74408698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021033969.6U Expired - Fee Related CN212403284U (en) | 2020-06-08 | 2020-06-08 | A safety guarantee device for tower crane overhauls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212403284U (en) |
-
2020
- 2020-06-08 CN CN202021033969.6U patent/CN212403284U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 Termination date: 20210608 |