CN214301405U

CN214301405U - Height limiting device convenient to adjust height

Info

Publication number: CN214301405U
Application number: CN202021798882.8U
Authority: CN
Inventors: 韦于雄
Original assignee: Individual
Current assignee: Shanghai Kunji Technology Group Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-09-28
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a bridge equipment technical field, and a limit for height device convenient to height-adjusting is disclosed, including support column one, two connecting rods of support column one, the inside of support column one is provided with elevating gear and dropout prevention means, elevating gear includes pivot one and ring one, the first part of pivot one is threaded, set up the screw thread mouth with the screw thread adaptation on the inner wall of ring one, the left end face and the ring one surface sliding connection of connecting rod one, be provided with stabilising arrangement in the support column two and drive cylinder one through the carousel and rotate, cylinder one drives pivot one and rotates, the ring of pivot one upper portion threaded connection moves up in pivot one for a while, connecting rod one on ring one wall also can synchronous upward movement, rethread pulley connects connecting rod one and balancing weight, make connecting rod one both ends all have the stress point, make ring one more stable in-process of driving bracing piece one to move up, Is convenient.

Description

Height limiting device convenient to adjust height

Technical Field

The utility model relates to a bridge technical field specifically is a limit for height device convenient to height-adjusting.

Background

In the bridge construction process, to just building bridge very soon in order to prevent that oversize vehicle from traveling and causing the overload, damage the bridge, can set up a limit for height device usually and restrict the vehicle of passing, because the car that each bridge need restrict even high speed is different, highly too high can damage the bridge, highly cross highly low can too restrict the vehicle, influence the traffic, but current limit for height equipment mostly sets up adjusting device in the one end of limit for height horizontal pole, because limit for height horizontal pole only has a stress point when height-adjusting, limit for height horizontal pole when rising or descending unstable, and because adjusting device exposes outside easy rust for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a limit for height device convenient to height-adjusting possesses height-adjustable's advantage, has solved inconvenient problem according to particular case adjustment limit for height equipment height.

(II) technical scheme

In order to realize the purpose of the height adjustable, the utility model provides a following technical scheme: the utility model provides a limit for height device convenient to height-adjusting, includes support column one, two connecting rods of support column one, one end of connecting rod and a sliding connection of support column, the other end and two sliding connection of support column of connecting rod one, the outer wall fixedly connected with scale of support column two, the scale is located the rear of connecting rod one, and the inside of support column one is provided with elevating gear and dropout prevention means, elevating gear includes pivot one and ring one, the lower terminal surface of pivot one is rotated with the interior bottom surface of support column one and is connected, and the screw thread has been seted up to the first half of pivot, sets up the screw thread mouth with the screw thread adaptation on the inner wall of ring one, the left end face and a ring surface sliding connection of connecting rod one, is provided with stabilising arrangement in the support column two.

Preferably, the lifting device further comprises a first cylinder and a disc, the first cylinder penetrates through the first support column and is rotatably connected with the first support column, the same clockwise thread is formed at one end, located in the first support column, of the first cylinder, the left end face of the first cylinder is fixedly connected with the disc, inclined teeth are formed in the lower portion of the rotating shaft, the inclined teeth are formed in the first rotating shaft in meshed mode with the first cylinder through threads, the first rotating shaft is in threaded connection with a first ring through threads, a whole circle of sliding groove is formed in the wall face of the first ring, and the transverse section of the sliding groove in the first ring is in a T shape of lying on the side.

Preferably, the anti-falling device comprises a first plate body and a spring, the transverse section of the first plate body is in a T shape lying on the side, the left end of the first plate body is connected in a sliding groove in the surface of the first ring in a sliding mode, the right end of the first plate body is fixedly connected with the spring, and the spring is fixedly connected with the first connecting rod.

Preferably, the stabilizing device comprises a first supporting rod, a pulley and a balancing weight, the upper end face of the first supporting rod is fixedly connected with the inner top face of a second supporting column, the front wall face of the first supporting rod is rotatably connected with the pulley, a cable is fixedly connected with the surface of the first connecting rod and bypasses the pulley, and the cable is fixedly connected with the balancing weight.

Preferably, the balancing weight is a cuboid, the mass of the balancing weight is the same as that of the first connecting rod, and the upper surface of the balancing weight is fixedly connected with the mooring rope.

Preferably, the wall surfaces of the first support column and the second support column are provided with vertical sliding chutes, the diameters of the sliding chutes formed in the wall surfaces of the first support column and the second support column are equal to the diameter of the first connecting rod, the left end of the first connecting rod penetrates through the wall surface of the first support column and is provided with a sliding chute to be connected with a lifting device in the first support column, and the right end of the first connecting rod rotates through the sliding chute formed in the wall surface of the second support column to be connected with a stabilizing device in the second support column.

(III) advantageous effects

Compared with the prior art, the utility model provides a limit for height device convenient to height-adjusting possesses following beneficial effect:

1. this limit for height device convenient to height-adjusting drives cylinder one through rotating the disc and rotates, the screw thread that cylinder one is located a cylinder one of support column inside can rotate and then drive pivot one and rotate to the tooth that has the slope of stirring, the ring of a pivot upper portion threaded connection is a bit at pivot one rebound, connecting rod one on the ring wall also can synchronous upward movement, the rethread pulley is connected connecting rod one and balancing weight, make connecting rod one both ends all have the stress point, make the ring one take the bracing piece one in-process of moving up more stable, it is convenient.

2. This limit for height device convenient to height-adjusting because elevating gear, dropout prevention means set up in support column one, and stabilising arrangement sets up in support column two, and the corrosion damage to equipment can effectively be reduced to airtight environment relatively, prolongs the life of each equipment greatly, can not appear leading to the condition of inconvenient use because of exposing for a long time outside rust death.

3. This limit for height device convenient to height-adjusting through at two fixed surface scale on the support column, makes the concrete numerical value of height of connecting rod one readable, makes the numerical value of adjustment more accurate.

4. This limit for height device convenient to height-adjusting through link plate body one and spring on the ring, when the vehicle does not know self height and causes connecting rod one to drop with connecting rod one collision, to the buffering speed reduction of connecting rod one of free fall, can not fall with higher speed and destroy the vehicle of below syntropy.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a partially enlarged schematic view of the present invention.

In the figure: 1. a first supporting column; 3. a first rotating shaft; 4. a disc; 5. a first cylinder; 6. a first circular ring; 7. a graduated scale; 8. a first connecting rod; 9. a first supporting rod; 10. a pulley; 11. a second supporting column; 12. a balancing weight; 13. a first plate body; 14. a spring; 15. and (4) threading.

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.

Referring to fig. 1-4, a height limiting device for conveniently adjusting height includes a supporting pillar 1, two 11 connecting rods of support column one 8, support column one 1 and support column two 11 are hollow cylinder, 8 one end of connecting rod one 8 and 1 sliding connection of support column, the other end and two 11 sliding connection of support column of connecting rod one 8, the outer wall fixedly connected with scale 7 of support column two 11, scale 7 is located the rear of connecting rod one 8, the inside of support column one 1 is provided with elevating gear and dropout prevention means, elevating gear includes pivot one 3 and ring one 6, the lower terminal surface of pivot one 3 is rotated with the interior bottom surface of support column one 1 and is connected, screw thread 15 has been seted up to the first half of pivot one 3, set up the screw thread mouth with 15 adaptations of screw thread on the inner wall of ring one 6, the left end face and the 6 surface sliding connection of ring of connecting rod one 8, be provided with stabilising arrangement in the support column two 11.

The lifting device also comprises a cylinder I5 and a disc 4, the cylinder I5 penetrates through the support column I1, the cylinder I5 is rotatably connected with the support column I1, the same clockwise thread 15 is arranged at one end of the cylinder I5 positioned in the support column I1, the left end surface of the cylinder I5 is fixedly connected with the disc 4, inclined teeth are arranged at the lower part of the rotating shaft I3, the part of the rotating shaft I3 provided with the inclined teeth is occluded with the thread 15 of the cylinder I5, the thread 15 of the rotating shaft I3 is in threaded connection with the ring I6, a full circle of sliding groove is arranged on the wall surface of the ring I6, the transverse section of the sliding groove on the surface of the ring I6 is in a laterally-lying T shape, the cylinder I is driven to rotate by rotating the disc, the thread of the cylinder I positioned in the support column I can rotate towards the tooth which is inclined for a while, so as to drive the rotating shaft I to rotate, the ring in threaded connection with the upper part of the rotating shaft I moves upwards at the rotating shaft I, the first connecting rod on one wall surface of the circular ring can move upwards synchronously, so that the height adjustment is more convenient.

Anti-drop device includes plate body 13 and spring 14, the T shape that the transverse section of plate body 13 was lain for the side, the left end branch sliding connection of plate body 13 is in the spout on a 6 surfaces of ring, the right-hand member and the spring 14 fixed connection of plate body 13, spring 14 and a 8 fixed connection of connecting rod, when a 8 roof beams na suffered the striking and drops from a 6 surfaces of ring, spring 14 can hold a 8 vehicles that do not let its free fall damage below pass through, the afterbody of T shape can guarantee that a 6 can not drive a 8 following rotations of connecting rod when rotating.

The stabilizing device comprises a first supporting rod 9, a pulley 10 and a balancing weight 12, the upper end face of the first supporting rod 9 is fixedly connected with the inner top face of a second supporting column 11, the front wall face of the first supporting rod 9 is rotatably connected with the pulley 10, a first connecting rod 8 is fixedly connected with a cable, the cable bypasses the pulley 10 and is fixedly connected with the balancing weight 12, under the condition that the stabilizing device is not arranged, the first connecting rod 8 only takes the part connected with a first ring 6 as a supporting point to support the weight of the whole first connecting rod 8, the first connecting rod 8 is a resistance arm, the length of the first connecting rod 8 is far shorter than that of the resistance arm, the first ring 6 is extremely unstable and has large resistance in the process of driving the first connecting rod 8 to move upwards, the first connecting rod 8 is connected with the balancing weight 14 through the pulley 10, the inside of the second supporting column 11 also supports the right end of the first connecting rod 8, two ends of the first connecting rod 8 are provided with stress points, and the first ring 6 is more stable in the process of driving the first supporting rod 8 to move upwards, It is easy to use.

The balancing weight 12 is a cuboid, the mass of the balancing weight 12 is the same as that of the first connecting rod 8, the upper surface of the balancing weight 12 is fixedly connected with the mooring rope, the weight of the balancing weight 14 is equal to that of the first supporting rod 8, and in the process of moving upwards or sliding downwards, the first ring 6 only needs to overcome the rotating resistance, so that the movement process is smoother and is convenient to adjust.

Offer the vertically spout on the wall of support column one 1 and support column two 11, the spout diameter that the wall of support column one 1 and support column two 11 was seted up equals with the diameter of connecting rod one 8, the left end of connecting rod one 8 passes the wall of support column one 1 and sets up the spout and be connected with the inside elevating gear of support column one 1, the right-hand member of connecting rod one 8 passes the spout that support column two 11 walls were seted up and is connected with the inside stabilising arrangement of support column two 11, the adaptation spout can guarantee that connecting rod one 8 can freely slide in the spout, it is more smooth to move up the gliding process.

When the cable is used, the rotating disc 4 drives the first cylinder 5 to rotate, the first 5 threaded part of the cylinder drives the first rotating shaft 3 to rotate, the first 3 threaded part of the rotating shaft drives the first ring 6 to move upwards, the first ring 6 drives the first 8 connecting rod on the surface to move upwards synchronously, the cable rotates in the pulley 10, and the balancing weight on the cable moves downwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a limit for height device convenient to height-adjusting, includes support column one (1), support column two (11) connecting rod one (8), support column one (1) with support column two (11) are hollow cylinder, connecting rod one (8) one end and support column one (1) sliding connection, the other end and support column two (11) sliding connection of connecting rod one (8), its characterized in that: outer wall fixedly connected with scale (7) of support column two (11), scale (7) are located the rear of connecting rod (8), and the inside of support column (1) is provided with elevating gear and dropout prevention means, elevating gear includes pivot (3) and ring (6), the lower terminal surface of pivot (3) is connected with the interior bottom surface rotation of support column (1), and screw thread (15) are seted up to the first half of pivot (3), set up on the inner wall of ring (6) with the screw thread mouth of screw thread (15) adaptation, the left end face and ring (6) surface sliding connection of connecting rod (8), are provided with stabilising arrangement in support column two (11).

2. A height limiting device for facilitating height adjustment according to claim 1, wherein: the lifting device further comprises a first cylinder (5) and a first disc (4), the first cylinder (5) penetrates through the first support column (1), the first cylinder (5) is rotatably connected with the first support column (1), the same clockwise threads (15) are formed in one end, located in the first support column (1), of the first cylinder (5), the left end face of the first cylinder (5) is fixedly connected with the first disc (4), the lower portion of the first rotating shaft (3) is provided with inclined teeth, the portion, located in the first rotating shaft (3), of the inclined teeth is meshed with the threads (15) of the first cylinder (5), the threads (15) of the first rotating shaft (3) are in threaded connection with the first ring (6), a whole circle of sliding groove is formed in the wall face of the first ring (6), and the transverse section of the sliding groove in the surface of the first ring (6) is in a laterally-lying T shape.

3. A height limiting device for facilitating height adjustment according to claim 1, wherein: anti-drop device includes plate body (13) and spring (14), the horizontal cross-section of plate body (13) is the T shape of lying on one's side, and the left end branch sliding connection of plate body (13) is in the spout on ring (6) surface, the right-hand member and spring (14) fixed connection of plate body (13), spring (14) and connecting rod (8) fixed connection.

4. A height limiting device for facilitating height adjustment according to claim 1, wherein: the stabilizing device comprises a first supporting rod (9), a pulley (10) and a balancing weight (12), the upper end face of the first supporting rod (9) is fixedly connected with the inner top face of a second supporting column (11), the front wall face of the first supporting rod (9) is rotatably connected with the pulley (10), a first connecting rod (8) is fixedly connected with a cable rope, the cable rope bypasses the pulley (10), and the cable rope is fixedly connected with the balancing weight (12).

5. A height limiting device for facilitating height adjustment according to claim 4, wherein: the balancing weight (12) is a cuboid, the mass of the balancing weight (12) is the same as that of the connecting rod I (8), and the upper surface of the balancing weight (12) is fixedly connected with the mooring rope.

6. A height limiting device for facilitating height adjustment according to claim 1, wherein: the wall surfaces of the first support column (1) and the second support column (11) are provided with vertical downward sliding chutes, the diameter of each sliding chute formed by the wall surfaces of the first support column (1) and the second support column (11) is equal to that of the first connecting rod (8), the left end of the first connecting rod (8) penetrates through the wall surface of the first support column (1) to form a sliding chute, and is connected with a lifting device inside the first support column (1), and the right end of the first connecting rod (8) rotates through the sliding chute formed by the wall surface of the second support column (11) to form a sliding chute which is connected with a stabilizing device inside the second support column (11).