CN211951374U - Lifting rack for building engineering construction - Google Patents
Lifting rack for building engineering construction Download PDFInfo
- Publication number
- CN211951374U CN211951374U CN202020594059.9U CN202020594059U CN211951374U CN 211951374 U CN211951374 U CN 211951374U CN 202020594059 U CN202020594059 U CN 202020594059U CN 211951374 U CN211951374 U CN 211951374U
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- Prior art keywords
- rack
- construction lifting
- construction
- fixing block
- tooth
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Abstract
The utility model relates to an environmental protection technology field especially relates to a building engineering construction lifting rack, and its structure includes: the tooth surface is a curved surface protruding towards the tooth socket. The utility model discloses it is fixed safer, can increase the slew velocity of gear, reduce the use noise.
Description
Technical Field
The utility model relates to a building technical field especially relates to a building engineering construction lifting rack.
Background
The construction machinery is a general name of mechanical equipment used for engineering construction and urban and rural construction, is also called as construction machinery and engineering machinery in China, and is divided into the following types according to the regulations of China standards: digging machine, earth shoveling and transporting machine, compacting machine, engineering hoisting machine, road surface machine, concrete machine, decoration machine, high-altitude operation machine, concrete product machine, piling machine, etc., the material conveying and lifting device is an important part of the construction machine, is very common in modern building construction, and is usually used for hoisting the building materials or building equipment which are prayed during the building construction to the high-altitude construction position. During the building construction process, the object profile is required to be conveyed to a high place for construction, most of the existing building machinery material conveying is driven to lift by a rack and a gear mechanism, the rack is directly fixed on a rack support during the specific implementation, the rack support is similar to a cubic structure, the rack is vibrated when the rack and the pinion are meshed, particularly, resonance is easily generated when the rack and the pinion are used at two sides, and potential safety hazards exist; on the other hand, because the edges and corners are arranged between the tooth tops and the tooth surfaces of the existing rack structure, the rotating speed of the gear is reduced, and the noise is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art, the building engineering construction lifting rack that provides, it is fixed safer, can increase the slew velocity of gear to the noise abatement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a construction hoist rack, comprising: the tooth surface is a curved surface protruding towards the tooth socket.
Further preferably, the link includes first fixed block and second fixed block, be provided with two connecting rods between first fixed block and the second fixed block, two the axis that the connecting rod used the rack sets up as symmetry axis symmetry, and two there is the contained angle between the connecting rod.
Preferably, the connecting rod is sleeved with a spring, and two ends of the spring are respectively connected with the first fixing block and the second fixing block.
Further preferably, the first fixing block is welded with the rack or fixed at two ends of the rack through bolts.
Further preferably, the length of the first fixed block is smaller than the width of the rack, and the length of the second fixed block is larger than the width of the rack.
Further preferably, the included angles between the two connecting rods and the second fixed block are both 60 degrees, and the lengths of the two connecting rods are equal.
Further preferably, a plurality of first fixing holes are formed in the second fixing block.
Further preferably, the rack has a length of 1508mm, a width of 40mm and a height of 60mm, the modulus of the rack is 8, the pressure angle of the rack is 20 °, and the pitch of the rack is 25.133 mm.
Further preferably, 60 teeth are arranged on the rack.
Further preferably, the rack is provided with a plurality of second fixing holes in a direction perpendicular to the rack.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a pair of building engineering construction lifting rack is equipped with the chamfer between the tooth top on the rack and the flank of tooth, and the flank of tooth is for the bellied curved surface of tooth's socket, owing to be equipped with chamfer and curved surface and can increase the slew velocity of gear under the condition of same power to the noise reduction.
2. The utility model provides a pair of building engineering construction lifting rack, at the both ends fixed connection frame of rack, the link is whole to be triangle-shaped setting, connects more firmly, uses more stably.
3. The utility model provides a pair of building engineering construction lifting rack is equipped with damping spring at the connecting rod overcoat, can absorb the vibrations that produce when rack and pinion interlock motion through damping spring, has good shock attenuation effect, uses safelyr, improves life.
4. The utility model provides a pair of building engineering construction lifting rack, tooth structure and the reasonable in design of size further increase the slew velocity of gear.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the connection frame of the present invention;
FIG. 3 is an enlarged view of the utility model at A;
in the figure: 1 is a connecting frame; 2 is a rack; 3 is a first fixed block; 4 is a spring; 5 is a connecting rod; 6 is a second fixed block; 7 is a first fixing hole; 8 is a second fixing hole; 9 is the tooth top; 10 is a chamfer angle; 11 are tooth flanks.
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.
Referring to fig. 1 to 3, a construction lifting rack for construction engineering includes: link 1 and rack 2, wherein: two identical connecting frames 1 are fixed at two ends of the rack 2, a spring 4 with a buffering effect is arranged on each connecting frame 1, a chamfer 10 is arranged between a tooth crest 9 and a tooth surface 11 on the rack 2, and the tooth surface 11 is a curved surface protruding towards a tooth socket.
The connecting frame 1 comprises a first fixed block 3 and a second fixed block 6, two connecting rods 5 are arranged between the first fixed block 3 and the second fixed block 6, the connecting rods 5 are symmetrically arranged by taking the axis of the rack as a symmetry axis, and included angles exist between the connecting rods 5.
The connecting rod 5 is sleeved with a spring 4, and two ends of the spring 4 are respectively connected with a first fixing block 3 and a second fixing block 6.
The first fixing block 3 is welded with the rack 2 or fixed at two ends of the rack 2 through bolts.
The length of the first fixing block 3 is smaller than the width of the rack 2, and the length of the second fixing block 6 is larger than the width of the rack 2.
And the included angle between the two connecting rods 5 and the second fixing block 6 is 60 degrees, and the length of the two connecting rods 5 is equal.
The second fixing block 6 is provided with a plurality of first fixing holes 7.
The length of the rack 2 is 1508mm, the width of the rack 2 is 40mm, the height of the rack is 60mm, the modulus of the rack 2 is 8, the pressure angle of the rack 2 is 20 degrees, and the pitch of the rack 2 is 25.133 mm.
60 teeth are arranged on the rack 2.
And a plurality of second fixing holes 8 are formed in the rack 2 in the direction perpendicular to the rack 2.
The utility model has the advantages that the chamfer is arranged between the tooth top and the tooth surface on the rack, the tooth surface is a curved surface protruding towards the tooth socket, and the chamfer and the curved surface can increase the rotating speed of the gear under the condition of the same power and reduce the noise; the connecting frames are fixed at the two ends of the rack and arranged in a triangular shape integrally, so that the connection is firmer and the use is more stable; be equipped with damping spring at the connecting rod overcoat, through damping spring absorbable vibration that produces when rack and pinion interlock motion, have good shock attenuation effect, use safelyr, improve life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. A construction hoist rack, comprising: link (1) and rack (2), its characterized in that: two same connecting frames (1) are fixed at two ends of the rack (2), a spring (4) with a buffering effect is arranged on each connecting frame (1), a chamfer (10) is arranged between a tooth top (9) and a tooth surface (11) on the rack (2), and the tooth surface (11) is a curved surface protruding towards a tooth groove.
2. A construction lifting rack according to claim 1, characterised in that: the connecting frame (1) comprises a first fixed block (3) and a second fixed block (6), two connecting rods (5) are arranged between the first fixed block (3) and the second fixed block (6) and are symmetrically arranged by taking the axis of the rack as a symmetry axis, and the connecting rods (5) form included angles with each other.
3. A construction lifting rack according to claim 2, characterised in that: the connecting rod (5) is sleeved with a spring (4), and two ends of the spring (4) are respectively connected with the first fixing block (3) and the second fixing block (6).
4. A construction lifting rack according to claim 3, characterised in that: the first fixing block (3) is welded with the rack (2) or fixed at two ends of the rack (2) through bolts.
5. A construction lifting rack according to claim 3, characterised in that: the length of the first fixing block (3) is smaller than the width of the rack (2), and the length of the second fixing block (6) is larger than the width of the rack (2).
6. A construction lifting rack according to claim 3, characterised in that: and the included angle between the two connecting rods (5) and the second fixed block (6) is 60 degrees, and the length of the two connecting rods (5) is equal.
7. A construction lifting rack according to claim 6, characterised in that: the second fixing block (6) is provided with a plurality of first fixing holes (7).
8. A construction lifting rack according to claim 1, characterised in that: the length of the rack (2) is 1508mm, the width of the rack is 40mm, the height of the rack is 60mm, the modulus of the rack (2) is 8, the pressure angle of the rack (2) is 20 degrees, and the pitch of the rack (2) is 25.133 mm.
9. A construction lifting rack according to claim 1, characterised in that: 60 teeth are arranged on the rack (2).
10. A construction lifting rack according to claim 1, characterised in that: and a plurality of second fixing holes (8) are formed in the rack (2) in the direction vertical to the rack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594059.9U CN211951374U (en) | 2020-04-20 | 2020-04-20 | Lifting rack for building engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594059.9U CN211951374U (en) | 2020-04-20 | 2020-04-20 | Lifting rack for building engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951374U true CN211951374U (en) | 2020-11-17 |
Family
ID=73165583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020594059.9U Expired - Fee Related CN211951374U (en) | 2020-04-20 | 2020-04-20 | Lifting rack for building engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148460A (en) * | 2021-12-02 | 2022-03-08 | 广东智能无人系统研究院 | Lifting system and winding and unwinding devices |
-
2020
- 2020-04-20 CN CN202020594059.9U patent/CN211951374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148460A (en) * | 2021-12-02 | 2022-03-08 | 广东智能无人系统研究院 | Lifting system and winding and unwinding devices |
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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 |
Granted publication date: 20201117 Termination date: 20210420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |