CN209148442U - A kind of bridge crane lifting rope stretching force detecting apparatus - Google Patents
A kind of bridge crane lifting rope stretching force detecting apparatus Download PDFInfo
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- CN209148442U CN209148442U CN201821888588.9U CN201821888588U CN209148442U CN 209148442 U CN209148442 U CN 209148442U CN 201821888588 U CN201821888588 U CN 201821888588U CN 209148442 U CN209148442 U CN 209148442U
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- wall
- lifting rope
- rope
- detecting apparatus
- bridge crane
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Abstract
The utility model discloses a kind of bridge crane lifting rope stretching force detecting apparatus, including shell, the top exterior walls of the shell are provided with hydraulic cylinder, and the bottom outer wall of hydraulic cylinder is provided with pulling plate, the bottom outer wall of the pulling plate is provided with the second connection frame, and second the bottom outer wall of connection frame be provided with the first fixed mechanism, first fixed mechanism includes rope rolling roller, and the outer wall of rope rolling roller is provided with convex grain, the side outer wall of the rope rolling roller is provided with lacing hole, and the other side outer wall of rope rolling roller is provided with threaded hole, lacing hole is mutually perpendicular to threaded hole, the inner wall of threaded hole is provided with lock-screw.The utility model keeps lifting rope fixation more convenient, improve the fixed stability of lifting rope, the case where cargo pendulation that lifting rope is located at when in use below lifting rope can be simulated, improve the authenticity of pulling force simulation, it can prevent lifting rope pop-up from staff being caused to come to harm, improve safety when staff's pull force calculation.
Description
Technical field
The utility model relates to tensile test technical fields more particularly to a kind of bridge crane lifting rope to be filled with pull force calculation
It sets.
Background technique
Bridge crane is crossbearer in the lifting equipment of workshop, warehouse and stock ground overhead progress material handling, its both ends
It is located on tall and big concrete column or metallic support, shape lifts underlying cargo like bridge, using lifting rope, to guarantee bridge
Safety when formula crane uses then needs to carry out pull force calculation to lifting rope in lifting rope production to determine the receiving pulling force of lifting rope
Situation.
Existing stretching force detecting apparatus is to be clamped lifting rope by clip when in use, and the fixed device of this lifting rope is fixed
When stability it is poor, be easy to pull when pulling force is larger, stability is poor, and in bridge crane in use, the cargo of lower section can produce
It is raw to swing, then cause the stress condition of lifting rope to change, existing stretching force detecting apparatus can not simulate this stress variation, and existing
Some stretching force detecting apparatus do not have protective device, and when pulling force is excessive, and lifting rope is caused to snap, lifting rope, which is easy pop-up, leads to work people
Member is injured, and safety is lower.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of bridge crane proposed
Lifting rope stretching force detecting apparatus.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of bridge crane lifting rope stretching force detecting apparatus, including shell, the top exterior walls of the shell are provided with liquid
Cylinder pressure, and the bottom outer wall of hydraulic cylinder is provided with pulling plate, the bottom outer wall of the pulling plate is provided with the second connection frame, and second connects
The bottom outer wall for connecing frame is provided with the first fixed mechanism, and first fixed mechanism includes rope rolling roller, and the outer wall of rope rolling roller
It is provided with convex grain, the side outer wall of the rope rolling roller is provided with lacing hole, and the other side outer wall of rope rolling roller is provided with threaded hole,
Lacing hole is mutually perpendicular to threaded hole, and the inner wall of threaded hole is provided with lock-screw, and the bottom interior wall of the shell is provided with arc
Connected in star, and the bottom interior wall of arc groove is provided with arc groove, the top exterior walls of arc groove are provided with the gear teeth, the arc groove
Two sides outer wall be provided with side block blocks, and the side inner walls of side block blocks slidably connect side fixture block, the one of the side fixture block
Side outer wall is provided with movable block, and the top exterior walls of movable block are provided with the first conductor rope, and one end of the first conductor rope is provided with pulling force
Sensor, one end of the tension sensor is provided with the second conductor rope, and one end of the second conductor rope is provided with the second fixed mechanism,
Second fixed mechanism is identical as the structure of the first fixed mechanism.
Further, the side outer wall of the lock-screw is provided with sawtooth, and the other side outer wall setting of lock-screw
There is rocking bar.
Further, the bottom outer wall of the pulling plate is provided with the first connection frame, and the side outer wall of the first connection frame is set
It is equipped with shaft hole, the inner wall of shaft hole is provided with shaft, and the outer wall of shaft is provided with pulley.
Further, the two sides outer wall of the shell is provided with protective glass, and the side outer wall setting of protective glass
There is chamber door, the side outer wall of chamber door is provided with handle.
Further, the side outer wall of the movable block is provided with motor hole, and the bottom interior wall in motor hole is provided with electricity
Machine.
Further, the output shaft of the motor is provided with rack, and the outer wall of rack has been connected by key gear,
Gear is meshed with the gear teeth.
Further, the motor and hydraulic cylinder are respectively connected with switch, and switch is connected with processor, tension sensor
Signal output end is connected by signal wire with the signal input part of processor.
The utility model has the following beneficial effects:
1, by setting fixed mechanism, lifting rope is passed through to the lacing hole of fixed mechanism, can be incited somebody to action by screwing lock-screw
Lifting rope is fixed, and keeps lifting rope fixation more convenient, and one end of lock-screw setting sawtooth can increase lock-screw and lifting rope it
Between frictional force, improve lifting rope it is fixed when stability, and convex grain is set in the outer wall of rope rolling roller, rope rolling roller can be increased and hung
Frictional force between rope further improves the fixed stability of lifting rope.
2, by setting movable block, in pulling force simulation, motor drives movable block reciprocating on arcwall face, then
The case where cargo pendulation that lifting rope is located at when in use below lifting rope can be simulated, improves the authenticity of pulling force simulation.
3, by setting protective glass, when pulling force is excessive, and lifting rope is caused to snap, protective glass can prevent lifting rope pop-up from leading
It causes staff to come to harm, improves safety when staff's pull force calculation, and protective glass is convenient for staff's sight
Examine the stretched condition of lifting rope.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of bridge crane lifting rope stretching force detecting apparatus structural schematic diagram；
Fig. 2 be the utility model proposes a kind of bridge crane lifting rope stretching force detecting apparatus first fixed structure knot
Structure schematic diagram；
Fig. 3 be the utility model proposes a kind of bridge crane lifting rope stretching force detecting apparatus movable block structural representation
Figure；
Fig. 4 be the utility model proposes a kind of bridge crane lifting rope stretching force detecting apparatus circuit connection signal
Figure.
In figure: 1- shell, the first connection frame of 2-, the second connection frame of 3-, the first fixed mechanism of 4-, 5- protective glass, 6- wheel
Tooth, 7- tension sensor, 8- movable block, the second fixed mechanism of 9-, 10- pulley, 11- chamber door, 12- pulling plate, 13- hydraulic cylinder, 14-
Lacing hole, 15- rope rolling roller, 16- lock-screw, 17- rocking bar, 18- sawtooth, 19- arc groove, 20- side block blocks, the side 21- fixture block,
22- motor, 23- gear.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-4, a kind of bridge crane lifting rope stretching force detecting apparatus, including shell 1, the top exterior walls of shell 1
It is connected by screw to hydraulic cylinder 13, and the bottom outer wall of hydraulic cylinder 13 is welded with pulling plate 12, the bottom outer wall welding of pulling plate 12
There is the second connection frame 3, and the bottom outer wall of the second connection frame 3 is welded with the first fixed mechanism 4, the first fixed mechanism 4 includes
Rope rolling roller 15, and the outer wall of rope rolling roller 15 is welded with convex grain, the side outer wall of rope rolling roller 15 is provided with lacing hole 14, and rope rolling roller 15
Other side outer wall be provided with threaded hole, lacing hole 14 is mutually perpendicular to threaded hole, and the inner wall of threaded hole has been connected through a screw thread lock
Tight screw 16, the bottom interior wall of shell 1 is provided with arc groove, and the bottom interior wall of arc groove is welded with arc groove 19, arc
The top exterior walls of slot 19 are provided with the gear teeth 6, and the two sides outer wall of arc groove 19 is welded with side block blocks 20, and in the side of side block blocks 20
Wall slidably connects side fixture block 21, and the side outer wall of side fixture block 21 is welded with movable block 8, and the top exterior walls of movable block 8 are logical
It crosses bail and is connected with the first conductor rope, one end of the first conductor rope is connected with tension sensor 7 by bail, and the one of tension sensor 7
End is connected with the second conductor rope by bail, and one end of the second conductor rope is connected with the second fixed mechanism 9 by bail, and second is fixed
Mechanism 9 is identical as the structure of the first fixed mechanism 4.
In the utility model, the side outer wall of lock-screw 16 is provided with sawtooth 18, and the other side outer wall of lock-screw 16
It is welded with rocking bar 17, the bottom outer wall of pulling plate 12 is welded with the first connection frame 2, and the side outer wall of the first connection frame 2 is provided with and turns
The inner wall of axis hole, shaft hole is connected with shaft by bearing, and the outer wall of shaft is welded with pulley 10, and the two sides outer wall of shell 1 is equal
It is bonded with protective glass 5, and the side outer wall of protective glass 5 is connected by a hinge chamber door 11, the side outer wall weldering of chamber door 11
It is connected to handle, the side outer wall of movable block 8 is provided with motor hole, and the bottom interior wall in motor hole has been connected by screw to motor 22,
The output shaft of motor 22 is connected with rack by shaft coupling, and the outer wall of rack has been connected by key gear 23, gear 23
It is meshed with the gear teeth 6, motor 22 and hydraulic cylinder 13 are respectively connected with switch, and switch is connected with processor, the letter of tension sensor 7
Number output end is connected by signal wire with the signal input part of processor, the model ARM9TDMI of processor, pull sensing
The model GNS-S02 of device 7.
Working principle: the connection of hydraulic cylinder 13 hydraulic system is passed through one end of lifting rope when needing to carry out tensile test
The lacing hole 14 of first fixed mechanism 4, and the rocking bar 17 for rotating the first fixed mechanism 4 makes lock-screw 16 be extruded in the side of lifting rope
Face, so that lifting rope is extruded in lacing hole 14, sawtooth 23 can increase the frictional force between lock-screw 16 and lifting rope, prevent from hanging
Iope slippage, then by lifting rope, coiling one is enclosed on rope rolling roller 15, is pulled the other end of lifting rope to pass through pulley 10 and is fixed on lifting rope
On second fixed mechanism 9, the convex grain on rope rolling roller 15 can further increase the frictional force of lifting rope and rope rolling roller 15, shut chamber door
11, shrinking hydraulic cylinder 13 can drive pulling plate 12 to move upwards, and then generate pulling force to lifting rope, and tension sensor 7 can be detected and be hung
It restricts the pulling force that is subject to, different pulling force can be applied to lifting rope by tension sensor 7 and hydraulic cylinder 13, when measurement, motor 22
Rotation can rotate that movable block 8 is driven to move on arc groove 19 with moving gear 23, and motor 22 is to different directions rotation
Movable block 8 can be made reciprocating, to simulate the case where lifting rope is located at cargo pendulation below lifting rope when in use, increase mould
Authenticity when quasi-, protective glass 5 can prevent from lifting rope to be broken suddenly damaging staff, when improving pull force calculation
Safety.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of bridge crane lifting rope stretching force detecting apparatus, including shell (1), which is characterized in that the top of the shell (1)
Portion's outer wall is provided with hydraulic cylinder (13), and the bottom outer wall of hydraulic cylinder (13) is provided with pulling plate (12), the bottom of the pulling plate (12)
Portion's outer wall is provided with the second connection frame (3), and the bottom outer wall of the second connection frame (3) is provided with the first fixed mechanism (4), described
First fixed mechanism (4) includes rope rolling roller (15), and the outer wall of rope rolling roller (15) is provided with convex grain, the rope rolling roller (15)
Side outer wall is provided with lacing hole (14), and the other side outer wall of rope rolling roller (15) is provided with threaded hole, lacing hole (14) and spiral shell
Pit is mutually perpendicular to, and the inner wall of threaded hole is provided with lock-screw (16), and it is recessed that the bottom interior wall of the shell (1) is provided with arc
Slot, and the bottom interior wall of arc groove is provided with arc groove (19), the top exterior walls of arc groove (19) are provided with the gear teeth (6), institute
The two sides outer wall for stating arc groove (19) is provided with side block blocks (20), and the side inner walls of side block blocks (20) slidably connect side
The side outer wall of fixture block (21), the side fixture block (21) is provided with movable block (8), and the top exterior walls of movable block (8) are provided with
First conductor rope, one end of the first conductor rope are provided with tension sensor (7), and one end of the tension sensor (7) is provided with second
Conductor rope, and one end of the second conductor rope is provided with the second fixed mechanism (9), the second fixed mechanism (9) and the first fixed mechanism (4)
Structure is identical.
2. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 1, which is characterized in that the locking
The side outer wall of screw (16) is provided with sawtooth (18), and the other side outer wall of lock-screw (16) is provided with rocking bar (17).
3. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 1, which is characterized in that the pulling plate
(12) bottom outer wall is provided with the first connection frame (2), and the side outer wall of the first connection frame (2) is provided with shaft hole, shaft
The inner wall in hole is provided with shaft, and the outer wall of shaft is provided with pulley (10).
4. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 1, which is characterized in that the shell
(1) two sides outer wall is provided with protective glass (5), and the side outer wall of protective glass (5) is provided with chamber door (11), chamber door
(11) side outer wall is provided with handle.
5. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 1, which is characterized in that the movement
The side outer wall of block (8) is provided with motor hole, and the bottom interior wall in motor hole is provided with motor (22).
6. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 5, which is characterized in that the motor
(22) output shaft is provided with rack, and the outer wall of rack has been connected by key gear (23), gear (23) and the gear teeth (6)
It is meshed.
7. a kind of bridge crane lifting rope stretching force detecting apparatus according to claim 6, which is characterized in that the motor
(22) and hydraulic cylinder (13) is respectively connected with switch, and switch is connected with processor, and the signal output end of tension sensor (7) passes through
Signal wire is connected with the signal input part of processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888588.9U CN209148442U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge crane lifting rope stretching force detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888588.9U CN209148442U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge crane lifting rope stretching force detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148442U true CN209148442U (en) | 2019-07-23 |
Family
ID=67285970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821888588.9U Active CN209148442U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge crane lifting rope stretching force detecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879503A (en) * | 2020-06-13 | 2020-11-03 | 临澧金华天机械制造有限公司 | Tower crane jib loading boom performance detection device |
| CN111927881A (en) * | 2020-08-17 | 2020-11-13 | 曾镇涛 | Mechanical device based on rope body tension transmission |
-
2018
- 2018-11-16 CN CN201821888588.9U patent/CN209148442U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879503A (en) * | 2020-06-13 | 2020-11-03 | 临澧金华天机械制造有限公司 | Tower crane jib loading boom performance detection device |
| CN111879503B (en) * | 2020-06-13 | 2022-02-22 | 临澧金华天机械制造有限公司 | Tower crane jib loading boom performance detection device |
| CN111927881A (en) * | 2020-08-17 | 2020-11-13 | 曾镇涛 | Mechanical device based on rope body tension transmission |
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