CN214860769U - Locking device of rotating part, fire fighting equipment and operating platform thereof - Google Patents
Locking device of rotating part, fire fighting equipment and operating platform thereof Download PDFInfo
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- CN214860769U CN214860769U CN202022635061.9U CN202022635061U CN214860769U CN 214860769 U CN214860769 U CN 214860769U CN 202022635061 U CN202022635061 U CN 202022635061U CN 214860769 U CN214860769 U CN 214860769U
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- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000010008 shearing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a fire control field discloses a locking device, fire-fighting equipment and operation panel of rotation piece, the locking device of rotation piece is including first part (100), second part (200) and locating pin (201) that have locating plate (101), be provided with locating hole (102) on locating plate (101), locating pin (201) can remove between latched position and unblock position to realize the locking and the unblock of first part (100) and second part (200). Through above-mentioned technical scheme, the locking mode between locating pin and the locating plate restricts the relative rotation of first part and second part through shearing action, and this kind of locking is more reliable relatively to the locating pin is in the state that is on a parallel with the central axis, can not outwards stretch out, can not influence the design of exterior structure, avoids the motion to interfere and influence operating personnel.
Description
Technical Field
The utility model relates to a fire control field specifically relates to a locking device who rotates to relate to a fire-fighting equipment's operation panel, still relate to a fire-fighting equipment's operation panel.
Background
In order to meet the requirements of fire fighting of high-rise buildings, the elevating fire fighting equipment is widely applied. The elevating fire-fighting equipment has the functions of fire extinguishing and high-altitude rescue, and plays an irreplaceable role in guaranteeing the safety of lives and properties of people. In fire fighting and rescue, it is very important how a firefighter can operate a control device such as a control box installed on an operation turntable of fire fighting equipment in the most convenient and reliable manner.
The turntable of an elevated fire truck has limited space and a rotatable operating floor is often provided to facilitate operator access to the work area and to operate the fire-fighting equipment. When an operator passes, the operating platform is rotated to provide an enough passage for the operator; when the operating personnel arrived the operating position, the operation panel was faced operating personnel to the rotation, and it is more convenient to operate.
When the rotary table is adjusted to the target position angle, the rotary table needs to be locked, in the prior art, a positioning pin extending in the radial direction is arranged on the rotary table, a locking seat is arranged on the supporting table, a groove is formed in the periphery of the locking seat, and relative locking between the rotary table and the supporting table can be achieved by inserting the positioning pin into the groove. However, on the one hand, the positioning pins are easily disengaged from the grooves, and on the other hand, the radially extending positioning pins are also easily interfered by the operator and pull on the operator's clothes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a latched position of rotating to solve the locking insecure and hold and take place the problem of interfering with operating personnel.
In order to achieve the above object, an aspect of the present invention provides a locking device for a rotating member, wherein the locking device for the rotating member includes a first component having a positioning plate, a second component and a positioning pin disposed on the second component, the first component and the second component can rotate relatively around a central axis, the positioning plate is provided with a plurality of positioning holes arranged at intervals in a circumferential direction, the positioning pin can move between a locking position and an unlocking position in a direction parallel to the central axis, in the locking position, the positioning pin is inserted into one of the positioning holes to restrict the relative rotation of the first component and the second component, and in the unlocking position, the positioning pin is disengaged from the positioning holes to allow the relative rotation of the first component and the second component.
Optionally, a sliding groove which extends in the circumferential direction and is integrally communicated with the positioning hole is formed in the positioning plate, the width of the sliding groove is smaller than the inner diameter of the positioning hole, and the insertion end of the positioning pin is tapered and can be inserted into the sliding groove.
Optionally, the first member is partially disposed through the second member, a first elastic member is connected between the first member and the second member, the first elastic member at least partially surrounds the first member, and an elastic force of the first elastic member on the first member can be balanced with a static friction force of the positioning pin and the sliding groove to hold the positioning pin in the sliding groove.
Alternatively, the first member includes a stopper plate having a circular plate coaxial with the central axis and a sector plate connecting peripheral edges of the circular plate, and the second member includes a stopper ring including a circular hole receiving the circular plate and a sector hole receiving the sector plate, the arc of the sector hole being larger than the arc of the sector plate to allow the sector plate to rotate about the central axis in the sector hole, so that the first member rotates within a predetermined angular range with respect to the second member.
Optionally, a shaft sleeve for receiving the positioning pin to pass through is fixedly arranged on the second component, two spaced stopping parts are arranged on the inner circumferential surface of the shaft sleeve, and a shaft shoulder capable of moving between the two stopping parts is arranged on the outer circumference of the positioning pin.
Optionally, a second elastic member is disposed between the shoulder and one of the stopping portions, and the second elastic member can drive the positioning pin to move axially from the unlocking position to the locking position.
Optionally, a flexible pulling member and a handle member attached to the pulling member are attached to the locating pin.
Optionally, the traction member is a flexible shaft, and the shaft sleeve is connected with a bracket for accommodating the flexible shaft to pass through.
In addition, the utility model also provides a fire-fighting equipment's operation panel, wherein, fire-fighting equipment's operation panel includes supporting part, revolving stage and according to above scheme the locking device of rotation piece, the revolving stage connect in first part with one in the second part, the supporting part connect in first part with another in the second part.
Additionally, the utility model also provides a fire-fighting equipment, wherein, fire-fighting equipment includes above scheme the operation panel of fire-fighting equipment.
Through above-mentioned technical scheme, the locking mode between locating pin and the locating plate restricts the relative rotation of first part and second part through shearing action, and this kind of locking is more reliable relatively to the locating pin is in the state that is on a parallel with the central axis, can not outwards stretch out, can not influence the design of exterior structure, avoids the motion to interfere and influence operating personnel.
Drawings
FIG. 1 is a partial cross-sectional view of an operating deck of a fire apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a locating pin portion according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a limiting plate and a limiting ring according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a limiting plate according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a stop collar according to an embodiment of the present invention.
Description of the reference numerals
100-a first part, 101-a positioning plate, 102-a positioning hole, 103-a sliding groove, 104-a limiting plate, 105-a round plate, 106-a sector plate, 200-a second part, 201-a positioning pin, 202-a shaft sleeve, 203-a stopping part, 204-a shaft shoulder, 205-a first elastic part, 206-a second elastic part, 207-a limiting ring, 300-a bushing, 400-a traction part, 500-a handle part, 600-a support, 700-a turntable and 800-a supporting part.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a locking device of rotation piece, wherein, locking device of rotation piece is including first part 100, second part 200 that have locating plate 101 and setting up locating pin 201 on the second part 200, first part 100 with second part 200 can rotate relatively around the central axis, be provided with a plurality of locating holes 102 along circumference interval arrangement on the locating plate 101, locating pin 201 can move between latched position and unblock position along the direction that is on a parallel with the central axis latched position, locating pin 201 inserts one of them locating hole 102 is in order to restrict first part 100 and second part 200 rotate relatively unblock position, locating pin 201 breaks away from locating hole 102 is in order to allow first part 100 with second part 200 rotates relatively.
The first member 100 and the second member 200 are two members that can relatively rotate around the central axis, and one of them may be provided as a fixed member and the other as a rotating member to be suitable for some swing mechanisms.
In addition, the first member 100 and the second member 200 can be locked relatively, that is, the locking and unlocking of the first member 100 and the second member 200 are realized by the cooperation of the positioning pin 201 and the positioning plate 101, wherein in the locking position, the positioning pin 201 is inserted into the positioning hole 102 on the positioning plate 101, the positioning pin 201 is limited to rotate relatively by the positioning plate 101, so that the relative rotation of the first member 100 and the second member 200 is limited, and a shearing action exists between the positioning pin 201 and the positioning plate 101; in the unlocking position, the positioning pin 201 can be pulled out of the positioning hole 102 to allow the positioning plate 101 and the positioning pin 201 to rotate relatively, thereby allowing the relative rotation of the first member 100 and the second member 200. In addition, the detent pin 201 is axially movable (parallel to the central axis) to switch between the unlock position and the lock position.
In this scheme, the locking mode between locating pin 201 and locating plate 101 restricts the relative rotation of first part and second part through shearing action, and this kind of locking is more reliable relatively to the locating pin is in the state that is on a parallel with the central axis, can not outwards stretch out, can not influence the design of exterior structure, avoids the motion to interfere and influence operating personnel.
In addition, the positioning plate 101 is provided with a sliding groove 103 extending in the circumferential direction and integrally communicating with the positioning hole 102, the width of the sliding groove 103 is smaller than the inner diameter of the positioning hole 102, and the insertion end of the positioning pin 201 is tapered and can be inserted into the sliding groove 103. As shown in fig. 2, the positioning plate 101 is provided with three positioning holes 102, and the three positioning holes 102 communicate through the slide groove 103, and further, one end of the positioning pin 201 that can be inserted into the positioning holes 102 is tapered so that the positioning pin 201 can slide into the slide groove 103 and further into the adjacent positioning hole 102 by relatively rotating the first member 100 and the second member 200 when the positioning pin 201 is partially withdrawn. In this embodiment, the positioning pin 201 may be allowed to be incompletely withdrawn from the positioning hole 102. In other embodiments, 2, 4, or more positioning holes 102 may be provided.
Further, the first member 100 is partially disposed through the second member 200, a first elastic member 205 is connected between the first member 100 and the second member 200, the first elastic member 205 at least partially surrounds the first member 100, and an elastic force of the first elastic member 205 on the first member 100 can be balanced with a static friction force of the positioning pin 201 and the sliding slot 103 to maintain the positioning pin 201 in the sliding slot 103. The first member 100 may be formed generally in a shaft shape as a whole, and the second member 200 may be formed generally in a tube shape to allow the first member 100 to pass therethrough to save space. As shown in fig. 1, a first elastic member 205 is connected between the first member 100 and the second member 200, the first elastic member 205 can apply a force to the first member 100 to provide a power for circumferential rotation, when the positioning pin 201 is located in the sliding slot 103, a friction force exists between the positioning pin 201 and the sliding slot 103, and when the friction force and the elastic force of the first elastic member 205 reach a balance, the positioning pin 201 can be held in the sliding slot 103, so that the first member 100 and the second member 200 are relatively fixed, and can be held at other positions different from the locking position corresponding to the positioning hole 102, so that the relative angle between the first member 100 and the second member 200 can be continuously adjusted. The first elastic member 205 may be a spring wire partially surrounding the first member 100, or may be an elastic rubber string, etc.
In addition, the first member 100 includes a stopper plate 104, the stopper plate 104 has a circular plate 105 coaxial with the central axis and a sector plate 106 connecting the periphery of the circular plate 105, and the second member 200 includes a stopper ring 207, the stopper ring 207 includes a circular hole receiving the circular plate 105 and a sector hole receiving the sector plate 106, and the arc of the sector hole is larger than the arc of the sector plate 106 to allow the sector plate 106 to rotate around the central axis in the sector hole, so that the first member 100 rotates within a predetermined angular range with respect to the second member 200. As shown in fig. 4 to 6, the circular plate 105 is substantially in clearance fit with the circular hole of the retainer ring 207 so as to be freely rotatable about the central axis, the outer circumferential dimension of the sector plate 106 corresponds to the outer circumferential dimension of the sector hole, and the arc of the sector hole is larger than the arc of the sector plate 106, so that the sector plate 106 can be allowed to rotate within a certain angular range, which is the difference between the arcs of the sector plate 106 and the sector hole. By the cooperation of the limit plate 104 and the limit ring 207, the angular range of relative rotation of the first member 100 and the second member 200 can be defined.
A sleeve 202 for receiving the positioning pin 201 to pass through is fixedly arranged on the second component 200, two spaced stopping portions 203 are arranged on the inner circumferential surface of the sleeve 202, and a shoulder 204 capable of moving between the two stopping portions 203 is arranged on the outer circumference of the positioning pin 201. As shown in fig. 3, a sleeve 202 can accommodate the positioning pin 201 to movably pass through, and the sleeve 202 is fixed on the second member 200, so that the positioning pin 201 can move between the locking position and the unlocking position, specifically, two stopping portions 203 are provided on the inner periphery of the sleeve 202, a convex shoulder 204 is provided on the outer periphery of the positioning pin 201, and the shoulder 204 is limited by the two stopping portions 203 and cannot be separated from the sleeve 202.
Further, a second elastic member 206 is disposed between the shoulder 204 and one of the stopping portions 203, and the second elastic member 206 can drive the positioning pin 201 to move axially from the unlocking position to the locking position. The second elastic member 206 may be a spring or an elastic rubber member, and the second elastic member 206 elastically acts on the positioning pin 201 to move from the unlocking position to the locking position, and particularly, when the tapered insertion end of the positioning pin 201 is located in the sliding slot 103, the second elastic member 206 presses the positioning pin 201 into the sliding slot 103, so that a sufficient static friction force is generated between the positioning pin 201 and the sliding slot 103, which is balanced with the elasticity of the first elastic member 2055, to hold the positioning pin 201 in the sliding slot 103.
In addition, a flexible pulling member 400 and a pulling member 500 connected to the pulling member 400 are connected to the positioning pin 201. By manually or mechanically and electrically driving the handle member 500, the positioning pin 201 can be pulled by the pulling member 400 to move from the locking position to the unlocking position, so as to allow the positioning pin 201 to rotate relative to the positioning plate 101, for example, to slide into the sliding groove 103 or the position of the adjacent positioning hole 102. When the handle member 500 is released, the positioning pin 201 can be moved back toward the locking position by the second elastic member 206 as described above. The handle member 500 may be driven by a motor, a winch, or an oil cylinder.
Optionally, the traction member 400 is a flexible shaft, and the sleeve 202 is connected to a bracket 600 for receiving the flexible shaft. The rotating shaft can be extended to a proper position according to needs to realize the transmission connection of the positioning pin 201 and the handle piece 500, and the pulling piece 400 can also be acted by a rope. The bushing 202 is coupled with a bracket 600, and the traction member 400 is movably inserted through the bracket 600 and coupled to the positioning pin 201.
In addition, as shown in fig. 1, a bushing 300 may be disposed between the first member 100 and the second member 200 to ensure lubrication between the first member 100 and the second member 200 so that they can smoothly rotate relative to each other. As can be seen from fig. 1, the fitting structure in which the first member 100 is formed with an annular groove on the outer periphery thereof, the second member 200 is formed with an annular projection rotatably inserted into the annular groove on the inner periphery thereof, and the bush 300 is disposed between the annular groove and the annular projection also enables the relative axial positioning of the first member 100 and the second member 200.
In addition, the present invention also provides an operation table of a fire fighting equipment, wherein the operation table of the fire fighting equipment comprises a support part 800, a turntable 700 and a locking device of a rotation member according to the above aspect, the turntable 700 is connected to one of the first member 100 and the second member 200, and the support part 800 is connected to the other of the first member 100 and the second member 200. As shown in fig. 1, the turntable 700 is approximately positioned at the upper portion of the supporting part 800, the turntable 700 may be fixedly connected to the first member 100, the supporting part 800 is fixedly connected to the second member 200, relative locking of the turntable 700 and the supporting part 800 may be achieved by a locking means of a rotating member, and the turntable 700 may be allowed to rotate to a proper angular position with respect to the supporting part 800 in an unlocked state. In other embodiments, the support part 800 may be connected to the first member 100 while the turntable 700 is connected to the second member 200.
Additionally, the utility model also provides a fire-fighting equipment, wherein, fire-fighting equipment includes above scheme the operation panel of fire-fighting equipment. The fire fighting equipment can be provided on the turntable 700, and the fire fighting equipment thereon can be more conveniently used by rotating the turntable 700.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A locking device of a rotating member, characterized in that the locking device of the rotating member comprises a first member (100) having a positioning plate (101), a second member (200), and a positioning pin (201) provided on the second member (200), the first part (100) and the second part (200) being relatively rotatable around a central axis, a plurality of positioning holes (102) which are arranged at intervals along the circumferential direction are arranged on the positioning plate (101), the detent pin (201) is movable in a direction parallel to the central axis between a locked position and an unlocked position, in the locking position, the positioning pin (201) is inserted into one of the positioning holes (102) to limit the relative rotation of the first component (100) and the second component (200), in the unlocking position, the positioning pin (201) is disengaged from the positioning hole (102) to allow the first component (100) and the second component (200) to rotate relatively.
2. The rotating member locking apparatus according to claim 1, wherein the positioning plate (101) is provided with a sliding groove (103) extending circumferentially and integrally communicating with the positioning hole (102), the width of the sliding groove (103) is smaller than the inner diameter of the positioning hole (102), and the insertion end of the positioning pin (201) is tapered and can be inserted into the sliding groove (103).
3. The device according to claim 2, characterized in that the first part (100) is arranged partially through the second part (200), a first elastic element (205) being connected between the first part (100) and the second part (200), the first elastic element (205) at least partially surrounding the first part (100), the elastic force of the first elastic element (205) on the first part (100) being capable of balancing the static friction of the detent pin (201) and the slide slot (103) to retain the detent pin (201) in the slide slot (103).
4. The device for locking a rotating member according to claim 1, wherein the first member (100) comprises a stopper plate (104), the stopper plate (104) has a circular plate (105) coaxial with the central axis and a sector plate (106) connecting the peripheries of the circular plate (105), the second member (200) comprises a stopper ring (207), the stopper ring (207) comprises a circular hole for receiving the circular plate (105) and a sector hole for receiving the sector plate (106), and the arc of the sector hole is larger than that of the sector plate (106) to allow the sector plate (106) to rotate in the sector hole about the central axis, so that the first member (100) rotates relative to the second member (200) within a predetermined angular range.
5. The device for locking a rotor according to claim 1, characterized in that a bushing (202) is fixedly arranged on the second member (200) for receiving the positioning pin (201) therethrough, two spaced stops (203) are arranged on the inner circumference of the bushing (202), and a shoulder (204) is arranged on the outer circumference of the positioning pin (201) and is movable between the two stops (203).
6. A locking arrangement of a rotor according to claim 5, characterised in that a second resilient member (206) is provided between the shoulder (204) and one of the stops (203), the second resilient member (206) being capable of driving the detent pin (201) axially from the unlocked position to the locked position.
7. The locking device of a turning member according to claim 6, characterized in that a flexible pulling member (400) and a pulling member (500) connected to the pulling member (400) are connected to the positioning pin (201).
8. The turning member locking device according to claim 7, wherein the pulling member (400) is a flexible shaft, and the bushing (202) is connected to a bracket (600) for receiving the flexible shaft therethrough.
9. An operator station of a fire fighting equipment, characterized in that the operator station of the fire fighting equipment comprises a support (800), a turntable (700) and a locking device of a turning piece according to any one of claims 1-8, the turntable (700) being connected to one of the first part (100) and the second part (200), the support (800) being connected to the other of the first part (100) and the second part (200).
10. A fire apparatus, characterized in that the fire apparatus comprises an operating floor of the fire apparatus of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022635061.9U CN214860769U (en) | 2020-11-13 | 2020-11-13 | Locking device of rotating part, fire fighting equipment and operating platform thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022635061.9U CN214860769U (en) | 2020-11-13 | 2020-11-13 | Locking device of rotating part, fire fighting equipment and operating platform thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214860769U true CN214860769U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022635061.9U Active CN214860769U (en) | 2020-11-13 | 2020-11-13 | Locking device of rotating part, fire fighting equipment and operating platform thereof |
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| CN (1) | CN214860769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451885A (en) * | 2020-11-13 | 2021-03-09 | 长沙中联消防机械有限公司 | Locking position of rotating part, fire fighting equipment and operating platform thereof |
-
2020
- 2020-11-13 CN CN202022635061.9U patent/CN214860769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451885A (en) * | 2020-11-13 | 2021-03-09 | 长沙中联消防机械有限公司 | Locking position of rotating part, fire fighting equipment and operating platform thereof |
| CN112451885B (en) * | 2020-11-13 | 2023-10-20 | 湖南中联重科应急装备有限公司 | Locking device of rotating piece, fire-fighting equipment and operation console thereof |
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