CN210047280U - Construction machinery pulls connecting device - Google Patents

Abstract

The utility model aims at solving the current difficult problem that is difficult for protecting the haulage rope, disclose a construction machinery pulls connecting device, including flexible gasbag, both ends difference fixed mounting has first sleeve and second sleeve about the flexible gasbag, first sleeve left and right sides symmetry is fixed with first sleeve pipe, first sleeve outside is provided with first clamp plate, install first rotary rod between first clamp plate and the first sleeve pipe, the first coil spring of fixedly connected with between first rotary rod and the first sleeve pipe. The utility model discloses a setting of gasbag can foresee the preceding traction vehicle's travel and braking in advance to can let the personnel in being hauled the vehicle in time control the vehicle, avoid dangerous emergence, utilize flexible gasbag's setting simultaneously, also further cushion the haulage rope, protect the haulage rope, accord with social demand, be worth promoting.

Description

Construction machinery pulls connecting device

Technical Field

The utility model relates to a construction machinery especially relates to a construction machinery pulls connecting device.

Background

The construction machine is a general name of mechanical equipment used for engineering construction and urban and rural construction, and comprises various machines such as an excavating machine, a shovel soil transportation machine, a compaction machine, an engineering hoisting machine, a piling machine, a pavement machine, a concrete product machine, a steel bar grade prestress machine, a decoration machine, an overhead working machine and the like. Wherein tractor etc. also belongs to construction machinery, when one of them tractor damage, need use the traction tool to pull, especially at the construction site, because the road surface unevenness, when pulling tractor, can produce strong jolting, thereby carry out the brute force to the haulage rope and pull, and then will make the haulage rope fracture at the excessive speed easily, the influence is to the pulling of mechanical equipment such as tractor, be difficult for protecting the haulage rope, also can't cushion the power of pulling of haulage rope simultaneously, therefore, need design a construction machinery and pull connecting device and solve prior art's not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the deficiency of the prior art and providing a construction machinery traction connecting device.

The utility model discloses a realize through following technical scheme:

a traction connecting device for construction machinery comprises a telescopic air bag, wherein a first sleeve and a second sleeve are fixedly installed at the upper end and the lower end of the telescopic air bag respectively, first sleeves are symmetrically fixed at the left side and the right side of the first sleeve, a first pressing plate is arranged at the outer side of the first sleeve, a first rotary rod is installed between the first pressing plate and the first sleeve, a first spiral spring is fixedly connected between the first rotary rod and the first sleeve, second sleeves are symmetrically fixed at the left side and the right side of the second sleeve, a second spiral spring is fixedly connected between the first sleeve and the second sleeve, a sliding rod is sleeved inside the second spiral spring, a second pressing plate is arranged at the outer side of the second sleeve, a second rotary rod is installed between the second pressing plate and the second sleeve, a third spiral spring is fixedly connected between the second rotary rod and the second sleeve, a vent pipe is symmetrically installed on the surface of the telescopic air bag, the breather pipe outer end fixed mounting has the gasbag, first clamp plate and second clamp plate fixed surface paste have the frictional layer.

As the preferred technical scheme of the utility model, the breather pipe communicates with each other with flexible gasbag and gasbag respectively.

As the preferred technical scheme of the utility model, the surface of pasting of frictional layer on first clamp plate and second clamp plate is opposite, and the frictional layer is made for rubber materials.

As the preferred technical scheme of the utility model, the slide bar respectively with first sleeve pipe and second sleeve pipe sliding fit.

As the utility model discloses a preferred technical scheme, first rotary rod respectively with between first clamp plate and the first sleeve normal running fit, the second rotary rod respectively with between second clamp plate and the second sleeve normal running fit.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through the setting of flexible gasbag, with the haulage rope cover outside first sleeve and second sleeve, thereby can realize the extrusion to flexible gasbag, cushion through flexible gasbag, thereby cushion the haulage rope when pulling the haulage rope, protect the haulage rope, avoid the road surface jolt to drag the haulage rope brute force, and then increase the life of haulage rope, safer, through the setting of gasbag, make gasbag and flexible gasbag intercommunication, thereby can foresee the size of traction force in advance through the gasbag, let the operating personnel who sits in the vehicle of being hauled in time right the steering wheel, through the setting of first clamp plate and second clamp plate, and then can press the haulage rope of cover outside first sleeve and second sleeve, make the haulage rope closely contact with first sleeve and second sleeve, the utility model discloses a setting of gasbag, can foresee the traveling and the braking of preceding traction vehicle in advance to can let the personnel in being hauled the vehicle in time control the vehicle, avoid dangerous emergence, utilize flexible gasbag's setting simultaneously, also further cushion the haulage rope, protect the haulage rope, accord with the social demand, be worth promoting.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the air bag comprises a first pressing plate, a second pressing plate, a first rotating rod, a first spiral spring, a first sleeve, a second spiral spring, a second sleeve, a sliding rod, a vent pipe, a second sleeve, a second rotating rod, a third spiral spring, a friction layer, a second pressing plate, a telescopic air bag and a second rotating rod, wherein the first pressing plate is 2, the first rotating rod is 3, the first spiral spring is 4, the first sleeve is 5.

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, the present invention provides a technical solution:

a traction connecting device for construction machinery comprises a telescopic air bag 16, wherein a first sleeve 4 and a second sleeve 10 are fixedly mounted at the upper end and the lower end of the telescopic air bag 16 respectively, first sleeves 5 are symmetrically fixed at the left side and the right side of the first sleeve 4, a first pressing plate 1 is arranged at the outer side of the first sleeve 4, a first rotary rod 2 is mounted between the first pressing plate 1 and the first sleeve 5, a first spiral spring 3 is fixedly connected between the first rotary rod 2 and the first sleeve 5, second sleeves 11 are symmetrically fixed at the left end and the right end of the second sleeve 10, a second spiral spring 6 is fixedly connected between the first sleeve 5 and the second sleeve 11, a sliding rod 7 is sleeved inside the second spiral spring 6, a second pressing plate 15 is arranged at the outer side of the second sleeve 10, a second rotary rod 12 is mounted between the second pressing plate 15 and the second sleeve 11, a third spiral spring 13 is fixedly connected between the second rotary rod 12 and the second sleeve 11, the surface symmetry of flexible gasbag 16 installs breather pipe 8, breather pipe 8 outer end fixed mounting has gasbag 9, first clamp plate 1 and second clamp plate 15 fixed surface paste have frictional layer 14.

The vent pipe 8 is respectively communicated with the telescopic air bag 16 and the air bag 9.

The adhering surfaces of the friction layer 14 on the first pressing plate 1 and the second pressing plate 15 are opposite, and the friction layer 14 is made of rubber materials.

The slide bar 7 is in sliding fit with the first sleeve 5 and the second sleeve 11, respectively.

The first rotating rod 2 is in running fit with the first pressing plate 1 and the first sleeve 5 respectively, and the second rotating rod 12 is in running fit with the second pressing plate 15 and the second sleeve 11 respectively.

The working principle is as follows: when the vehicle is required to be pulled when damaged in a building construction site, the traction rope is wound around the first sleeve 4 and the second sleeve 10 for a circle when the traction vehicle in front connects the traction rope to the damaged vehicle, one end of the traction rope penetrates through the lower part of the first pressing plate 1, the other end of the traction rope penetrates through the upper part of the second pressing plate 15, the telescopic air bag 16 is inflated in advance, the telescopic air bag 16 is expanded, when the front vehicle runs, the traction rope is pulled and can extrude the first sleeve 4 and the second sleeve 10, the telescopic air bag 16 is further extruded, the traction rope is buffered through the telescopic air bag 16, then the gas in the telescopic air bag 16 can be extruded into the air bag 9 through the vent pipe 8, the air bag 9 is expanded, and as long as a person in the traction vehicle behind sees that the air bag 9 is expanded, the front vehicle is proved to be started, righting the steering wheel, when the preceding vehicle stopped, will stop to first sleeve 4 and the extrusion of second sleeve 10, and then the promotion through second coil spring 6 stops the compression to flexible gasbag 16, and then will make the gas in the gasbag 9 run to in the flexible gasbag 16, make gasbag 9 become flat, only need observe the state of gasbag 9, as long as gasbag 9 is flat, just prove that preceding vehicle will park the braking, the driver of the vehicle that is drawn at the back is about to in time react, guarantee in time to park, thereby it is safer, through the buffering to the haulage rope, further protect the haulage rope, can use in the construction road surface on uneven road surface.

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 (5)

1. A construction machine traction coupling device comprising a telescopic air bag (16), characterized in that: the telescopic air bag comprises a telescopic air bag (16), wherein a first sleeve (4) and a second sleeve (10) are fixedly mounted at the upper end and the lower end of the telescopic air bag (16) respectively, a first sleeve (5) is symmetrically fixed at the left side and the right side of the first sleeve (4), a first pressing plate (1) is arranged at the outer side of the first sleeve (4), a first rotary rod (2) is mounted between the first pressing plate (1) and the first sleeve (5), a first spiral spring (3) is fixedly connected between the first rotary rod (2) and the first sleeve (5), a second sleeve (11) is symmetrically fixed at the left end and the right end of the second sleeve (10), a second spiral spring (6) is fixedly connected between the first sleeve (5) and the second sleeve (11), a sliding rod (7) is sleeved in the second spiral spring (6), a second pressing plate (15) is arranged at the outer side of the second sleeve (10), a second rotary rod (12) is mounted between the second pressing plate (15) and the second sleeve (11), fixedly connected with third coil spring (13) between second rotary rod (12) and second sleeve pipe (11), breather pipe (8) are installed to flexible gasbag (16) surface symmetry, breather pipe (8) outer end fixed mounting has gasbag (9), first clamp plate (1) and second clamp plate (15) fixed surface paste have frictional layer (14).

2. A construction machine traction coupling as claimed in claim 1, wherein: the vent pipe (8) is respectively communicated with the telescopic air bag (16) and the air bag (9).

3. A construction machine traction coupling as claimed in claim 1, wherein: the sticking surfaces of the friction layer (14) on the first pressing plate (1) and the second pressing plate (15) are opposite, and the friction layer (14) is made of rubber materials.

4. A construction machine traction coupling as claimed in claim 1, wherein: the sliding rod (7) is in sliding fit with the first sleeve (5) and the second sleeve (11) respectively.

5. A construction machine traction coupling as claimed in claim 1, wherein: the first rotating rod (2) is in running fit with the first pressing plate (1) and the first sleeve (5) respectively, and the second rotating rod (12) is in running fit with the second pressing plate (15) and the second sleeve (11) respectively.