CN217948884U

CN217948884U - Hand-operated opening height-limiting rod device

Info

Publication number: CN217948884U
Application number: CN202221813997.9U
Authority: CN
Inventors: 郭栋
Original assignee: Changzhou Zhongren Security Equipment Co ltd
Current assignee: Changzhou Zhongren Security Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-02
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a hand limit for height pole device of opening relates to limit for height pole device field, including mounting flange, fixed mounting has the support column on the mounting flange, and fixed mounting has the strengthening rib on the support column, and strengthening rib fixed mounting is on mounting flange, and fixed mounting has flange on the support column, and fixed mounting has the erection column on the flange, and fixed mounting has the crossbeam on the erection column, and fixed mounting has a lift speed reducer on the support column, and lift speed reducer goes up to rotate and installs the connecting axle, the utility model discloses, through lift speed reducer, rotate the hand wheel, the setting of transmission shaft etc. realize when special vehicle needs to be current, rotate the hand wheel and drive the rotatory transmission shaft that drives of lift speed reducer and rotate, thereby the transmission shaft rotates and drives the bearing and rotate and drive U type bearing, and then drive flange and rotate for the erection column rotates and drives the crossbeam and open, and is convenient current, is favorable to staff's work safety, has improved the use convenience of structure.

Description

Hand-operated opening height-limiting rod device

Technical Field

The utility model relates to a limit for height pole technical field especially relates to a limit for height pole device is opened to hand.

Background

The height limiting rod device is a device for achieving the purposes of releasing vehicles with different heights and limiting the passing through by controlling the movable rod, and can be divided into two types according to different functions of the height limiting rod, namely a fixed height limiting rod and an adjustable height limiting rod.

Among the prior art, ordinary adjustable limit for height pole is in the use, when special vehicle was walked through, needs the manual crossbeam that promotes of people in order to open limit for height pole and lets go, has danger, is unfavorable for staff's work safety, and hard in promoting, and it is convenient inadequately to use, consequently needs a hand limit for height pole device of opening to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a limit for height pole device is opened to it needs manual push beam hard simultaneously in order to open limit for height pole work safety that the staff is unfavorable for in the use to solve the ordinary limit for height pole device that provides among the above-mentioned background art, uses convenient problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand limit for height pole device of opening, including mounting flange, fixed mounting has the support column on the mounting flange, fixed mounting has the strengthening rib on the support column, strengthening rib fixed mounting is on mounting flange, fixed mounting has the rotation flange on the support column, fixed mounting has the erection column on the rotation flange, fixed mounting has the crossbeam on the erection column, fixed mounting has the lift speed reducer on the support column, the last movable mounting of lift speed reducer has the connecting axle, slidable mounting has the fixed axle on the connecting axle, the fixed axle rotates and installs on the support column, fixed mounting has the rotation hand wheel on the fixed axle, the last movable mounting of lift speed reducer has the bearing on the transmission shaft, fixed mounting has U type bearing on the erection column, when needs are let go, the slip rotates the hand wheel and drives the fixed axle and slides on the connecting axle, make the gear break away from the tooth's socket, it rotates to rotate the hand wheel and drive square piece to rotate this moment, square piece rotates and drives the connecting axle rotation, the connecting axle rotates and drives the rotation of lift speed reducer rotation drive shaft, the transmission shaft rotates and drives the rotation bearing, thereby drive U type bearing, thereby drive the rotation of U type bearing, it rotates to drive the erection column rotation of fixed mounting on rotating flange, thereby make the crossbeam open.

Preferably, fixed mounting has a fixing base on the support column, and fixed mounting has a gear on the fixed axle, and gear slidable mounting has square piece on the connecting axle in the fixing base, and square piece slidable mounting realizes making the meshing of gear and jack socket under compression spring's elastic force effect when not needing to let go through on the fixed axle through the setting of fixing base to rotating hand wheel is fixed, prevents to drive the crossbeam and open when touching because of the mistake.

Preferably, the fixed shaft is provided with a limiting hole, the connecting shaft is slidably mounted in the limiting hole, the limiting hole limits the movement of the connecting shaft, and the connecting shaft can only slide in the limiting hole.

Preferably, a sliding cavity is formed in the fixing shaft, the square block is slidably mounted in the sliding cavity, the sliding cavity limits the movement of the square block, and the square block can only slide in the sliding cavity.

Preferably, compression spring is movably sleeved on the connecting shaft, one end of the compression spring is fixedly installed on the fixed shaft, the other end of the compression spring is fixedly installed on the square block, and the compression spring is arranged to drive the fixed shaft to reset under the reset action of the compression spring after the cross beam is closed, so that the gear on the rotating hand wheel is driven to fall into the clamping groove internal fixing structure on the fixed seat.

Preferably, the fixed seat is provided with a tooth clamping groove, the gear is meshed with the tooth clamping groove, and the structure is fixed when the gear falls into the tooth clamping groove through the tooth clamping groove.

Preferably, fixed mounting has the stopper on the transmission shaft, and the stopper contacts with the top side of erection column, through the setting of stopper, has increased the rotational stability of transmission shaft.

Preferably, a U-shaped groove is formed in the mounting column, the U-shaped bearing is movably mounted in the U-shaped groove, and the mounting column is driven to rotate on the rotating flange when the U-shaped bearing rotates through the arrangement of the U-shaped groove so as to drive the cross beam to be opened.

The utility model has the advantages that:

the utility model discloses in, through the setting of lift speed reducer, rotation hand wheel, transmission shaft etc. realize when special vehicle need be current, rotate and rotate the hand wheel and drive the rotatory transmission shaft that drives of lift speed reducer and rotate, thereby the transmission shaft rotation drives the bearing and rotates and drive U type bearing and rotate, and then drive the rotation flange and rotate for the erection column rotates and drives the crossbeam and open, and convenient current is favorable to staff's work safety, has improved the use convenience of structure.

The utility model discloses in, through the setting of fixing base, gear etc. realize when need not opening, drive the gear and fall into the bayonet socket on the fixing base and fix the hand wheel that rotates under compression spring's spring action, thereby prevent to drive the hand wheel rotation of rotating when touching because of the mistake and make the crossbeam mistake open, improved the scientificity and the security of structure.

Drawings

Fig. 1 is a schematic structural view of a hand-operated opening height-limiting rod device provided by the present invention;

fig. 2 is a schematic structural view of a supporting column of the hand-operated opening height-limiting rod device provided by the present invention;

fig. 3 is a schematic structural view of a U-shaped bearing of a hand-operated opening height-limiting rod device provided by the present invention;

fig. 4 is the utility model provides a hand block diagram of square piece of opening limit for height pole device.

In the figure: 1. a fixed flange; 2. reinforcing ribs; 3. a support pillar; 4. rotating the flange; 5. mounting a column; 6. a cross beam; 7. a lifting speed reducer; 8. a connecting shaft; 9. a fixed shaft; 10. rotating a hand wheel; 11. a drive shaft; 12. a bearing; 13. a U-shaped bearing; 14. a limiting block; 15. a fixed seat; 16. a square block; 17. a gear; 18. a limiting hole; 19. a sliding cavity; 20. a compression spring; 21. a tooth clamping groove; 22. a U-shaped groove.

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. 1-4, a hand-operated opening height-limiting rod device comprises a fixed flange 1, a support pillar 3 is fixedly mounted on the fixed flange 1, a reinforcing rib 2 is fixedly mounted on the support pillar 3, a rotating flange 4 is fixedly mounted on the support pillar 3, a mounting pillar 5 is fixedly mounted on the rotating flange 4, a cross beam 6 is fixedly mounted on the mounting pillar 5, a lifting speed reducer 7 is fixedly mounted on the support pillar 3, a connecting shaft 8 is rotatably mounted on the lifting speed reducer 7, a fixing shaft 9 is slidably mounted on the connecting shaft 8, the fixing shaft 9 is rotatably mounted on the support pillar 3, a rotating hand wheel 10 is fixedly mounted on the fixing shaft 9, a transmission shaft 11 is rotatably mounted on the lifting speed reducer 7, a bearing 12 is fixedly mounted on the transmission shaft 11, a U-shaped bearing 13 is fixedly mounted on the bearing 12, the U-shaped bearing 13 is movably mounted on the mounting pillar 5, the bearing 12 is rotatably mounted on the mounting pillar 5, when release is needed, the transmission shaft 10 is slidably rotated to drive the fixing shaft 9 to slide on the connecting shaft 8, so that a gear 17 is separated from a clamping tooth groove 21, the square rotating block 16 rotates, the connecting shaft 16 rotates to drive the connecting shaft 8 to rotate, the connecting shaft 8 to drive the lifting speed reducer 7 to drive the transmission shaft to drive the rotating shaft 11, and rotate the rotating shaft 11, thereby drive the rotating shaft to rotate the rotating flange 11, and drive the rotating shaft to rotate the rotating shaft to drive the rotating shaft 11, and further drive the rotating shaft to rotate the rotating shaft 6, and further to rotate the rotating flange 5, and further drive the rotating shaft 6, thereby to rotate the mounting pillar 4, and further drive the mounting flange 6, and further to rotate the rotating of the mounting pillar 3, and further to drive the rotating shaft 6.

Referring to fig. 1-4, the utility model discloses in, fixed mounting has fixing base 15 on the support column 3, fixed mounting has gear 17 on the fixed axle 9, gear 17 slidable mounting is in fixing base 15, fixed mounting has square piece 16 on the connecting axle 8, square piece 16 slidable mounting is on fixed axle 9, through the setting of fixing base 15, realize when not needing to let go, make gear 17 and the meshing of latch groove 21 under compression spring 20's spring action to rotating hand wheel 10 is fixed, prevents to drive crossbeam 6 to open because of the mistake is touched.

Referring to fig. 1-4, in the present invention, the fixing shaft 9 is provided with a limiting hole 18, the connecting shaft 8 is slidably mounted in the limiting hole 18, the limiting hole 18 limits the movement of the connecting shaft 8, and the connecting shaft 8 can only slide in the limiting hole 18.

Referring to fig. 1-4, in the utility model, the fixed axle 9 is provided with the sliding cavity 19, the square block 16 is slidably mounted in the sliding cavity 19, the sliding cavity 19 limits the movement of the square block 16, and the square block 16 can only slide in the sliding cavity 19.

Referring to fig. 1-4, in the utility model, the compression spring 20 is movably sleeved on the connecting shaft 8, one end of the compression spring 20 is fixedly mounted on the fixing shaft 9, the other end of the compression spring 20 is fixedly mounted on the square block 16, and the compression spring 20 is arranged to drive the fixing shaft 9 to reset under the reset action of the compression spring 20 after the cross beam 6 is closed, so as to drive the gear 17 on the rotating hand wheel 10 to fall into the internal fixing structure of the tooth clamping groove 21 on the fixing seat 15.

Referring to fig. 1-4, in the present invention, the fixing base 15 is provided with a tooth-engaging slot 21, the gear 17 is engaged with the tooth-engaging slot 21, and the gear 17 is fixed in the tooth-engaging slot 21 by the arrangement of the tooth-engaging slot 21.

Referring to fig. 1-3, the utility model discloses in, fixed mounting has stopper 14 on the transmission shaft 11, and stopper 14 contacts with the top side of erection column 5, through stopper 14's setting, has increased the rotational stability of transmission shaft 11.

Referring to fig. 1-2, in the present invention, a U-shaped groove 22 is provided on the mounting post 5, the U-shaped bearing 13 is movably mounted in the U-shaped groove 22, and the U-shaped groove 22 is arranged to drive the mounting post 5 to rotate on the rotating flange 4 and further drive the cross beam 6 to open when the U-shaped bearing 13 rotates.

The utility model discloses the theory of operation:

when release is needed, the sliding rotating hand wheel 10 drives the fixing shaft 9 to slide on the connecting shaft 8, so that the gear 17 is separated from the clamping tooth groove 21, at the moment, the rotating hand wheel 10 drives the square block 16 to rotate, the square block 16 rotates to drive the connecting shaft 8 to rotate, the connecting shaft 8 rotates to drive the lifting speed reducer 7 to rotate so as to drive the transmission shaft 11 to rotate, the transmission shaft 11 rotates to drive the rotating bearing 12 to rotate, thereby driving the U-shaped bearing 13 to rotate, driving the mounting column 5 fixedly mounted on the rotating flange 4 to rotate, thereby opening the cross beam 6, in the process, the movement of the connecting shaft 8 is limited by the limiting hole 18, the connecting shaft 8 can only slide in the limiting hole 18, the sliding cavity 19 limits the movement of the square block 16 under the elastic force of the compression spring 20, the square block 16 can only slide in the sliding cavity 19, through the setting of the compression spring 20, the effect that the reset effect of the compression spring 20 after the cross beam 6 is closed is realized, and then the connecting shaft 9 is driven to slide in the sliding cavity 19, and the fixing shaft 11 is driven by the rotating bearing structure that the fixing shaft 11 and the rotating bearing 11 is arranged on the fixing flange 13, and the rotating bearing, and the fixing shaft 14 is increased when the rotating flange 11 is arranged on the fixing shaft, and the fixing flange 4, and the fixing structure.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hand limit for height pole device of opening, includes mounting flange (1), its characterized in that: fixed mounting has support column (3) on mounting flange (1), fixed mounting has strengthening rib (2) on support column (3), strengthening rib (2) fixed mounting is on mounting flange (1), fixed mounting has rotating flange (4) on support column (3), fixed mounting has erection column (5) on rotating flange (4), fixed mounting has crossbeam (6) on erection column (5), fixed mounting has lift speed reducer (7) on support column (3), it has connecting axle (8) to rotate to install on lift speed reducer (7), slidable mounting has fixed axle (9) on connecting axle (8), fixed axle (9) rotate to install on support column (3), fixed mounting has rotation hand wheel (10) on fixed axle (9), it has transmission shaft (11) to rotate to install on lift speed reducer (7), fixed mounting has bearing (12) on transmission shaft (11), fixed mounting has U type bearing (13) on bearing (12), U type bearing (13) movable mounting is on erection column (5), bearing (12) rotate to install on erection column (5).

2. The hand-operated opening height-limiting rod device of claim 1, wherein: fixed mounting has fixing base (15) on support column (3), and fixed mounting has gear (17) on fixed axle (9), and gear (17) slidable mounting is in fixing base (15), and fixed mounting has square piece (16) on connecting axle (8), and square piece (16) slidable mounting is on fixed axle (9).

3. The hand-operated opening height-limiting rod device of claim 2, wherein: the fixed shaft (9) is provided with a limiting hole (18), and the connecting shaft (8) is slidably mounted in the limiting hole (18).

4. The hand-operated opening height-limiting rod device of claim 2, wherein: a sliding cavity (19) is formed in the fixed shaft (9), and the square block (16) is slidably mounted in the sliding cavity (19).

5. The hand-operated opening height-limiting rod device of claim 2, wherein: a compression spring (20) is movably sleeved on the connecting shaft (8), one end of the compression spring (20) is fixedly installed on the fixing shaft (9), and the other end of the compression spring (20) is fixedly installed on the square block (16).

6. The hand-cranking starting height-limiting rod device as claimed in claim 2, characterized in that: the fixed seat (15) is provided with a tooth clamping groove (21), and the gear (17) is meshed with the tooth clamping groove (21).

7. The hand-operated opening height-limiting rod device of claim 1, wherein: a limiting block (14) is fixedly mounted on the transmission shaft (11), and the limiting block (14) is in contact with the top side of the mounting column (5).

8. The hand-operated opening height-limiting rod device of claim 1, wherein: a U-shaped groove (22) is formed in the mounting column (5), and the U-shaped bearing (13) is movably mounted in the U-shaped groove (22).