CN212172059U

CN212172059U - Telescopic truck tarpaulin frame and truck comprising same

Info

Publication number: CN212172059U
Application number: CN202020948738.1U
Authority: CN
Inventors: 夏前永
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-18
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a telescopic wagon tarpaulin frame and a wagon comprising the same, wherein the telescopic wagon tarpaulin frame comprises a frame body, a horizontal adjusting device and a vertical adjusting device, the frame body is in a shape of a Chinese character 'men', and comprises a telescopic upright post and a telescopic cross beam; the horizontal adjusting device is horizontally arranged between the two vertical columns of the frame body, two third telescopic rods are arranged at two ends of the horizontal adjusting device, and the third telescopic rods can extend out of the horizontal adjusting device to adjust the distance between the two vertical columns of the frame body; vertical adjusting device includes first lead screw and axis of rotation, first lead screw is installed inside the support body stand, axis of rotation drive lead screw rotates and then drives the flexible regulation of stand of support body. The utility model discloses a telescopic support body makes the tarpaulin cover have more the flexibility, and can be by one-man operation, and convenient to use uses manpower sparingly.

Description

Telescopic truck tarpaulin frame and truck comprising same

Technical Field

The utility model relates to a transportation equipment field especially relates to a concertina type freight train tarpaulin frame and contain its freight train.

Background

The tarpaulin frame is the main supporting component that carries out tarpaulin to the freight train, and current freight train tarpaulin frame exists following not enough: 1. the size is fixed, the adjustment cannot be carried out, certain obstruction is caused when goods are loaded and unloaded, and in some cases, the safety limit is exceeded after the tarpaulin frame is installed, and the goods cannot be effectively covered without the tarpaulin frame; 2. the manual operation is needed, so that the labor capacity of personnel is increased; 3. the tarpaulin cover has poor effect and cannot be completely attached to the goods.

Therefore, the above-mentioned conventional tarpaulin frame is still inconvenient and disadvantageous in structure and use, and further improvement is needed. How to create a new telescopic type truck tarpaulin frame belongs to one of the current important research and development subjects.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a concertina type freight train tarpaulin frame makes its size in two directions of height and width adjust, facilitates the use and can one-man operation, reduces personnel's work load to overcome the not enough of current freight train tarpaulin frame.

In order to solve the technical problem, the utility model provides a concertina type freight train tarpaulin frame, including support body, horizontal adjusting device and vertical adjusting device, wherein:

the frame body is in a door shape and comprises an upright post and a cross beam, a first telescopic rod is sleeved inside the upright post and can slide and stretch relative to the upright post, a second telescopic rod is sleeved inside the cross beam and can slide and stretch relative to the cross beam;

the horizontal adjusting device is horizontally arranged between the two vertical columns of the frame body, two third telescopic rods are arranged at two ends of the horizontal adjusting device, and the third telescopic rods can extend out of the horizontal adjusting device to adjust the distance between the two vertical columns of the frame body;

vertical adjusting device includes first lead screw and axis of rotation, first lead screw is installed inside the support body stand, axis of rotation drive lead screw rotates and then adjusts the height of support body.

As an improvement of the utility model, two racks are connected respectively to two third telescopic links of level adjustment device, the inside central authorities of level adjustment device are provided with gear shaft and gear, and two racks are located gear top and below respectively and all with gear engagement, gear revolve drives two rack horizontal motions, and then drives two third telescopic links and stretch out or retract, adjusts the distance between support body coexistence post.

As an improvement of the utility model, two second lead screws, two are connected respectively to two third telescopic links of horizontal adjusting device the second lead screw is synchronous to be rotated and is driven two third telescopic links and stretch out simultaneously or retract, adjusts the distance between support body coexistence post.

Further, vertical adjusting device's axis of rotation is formed by first axis body and the amalgamation of second axis body, first axis body and the setting of second axis body collineation are outwards stretched out respectively at the tip of first axis body and second axis body and are had the semicircle body, the semicircle body of first axis body and the mutual amalgamation of the semicircle body of second axis body and make the axis of rotation be complete cylinder, when the axis of rotation rotated, first axis body and the synchronous rotation of second axis body and first axis body enough relative second axis body horizontal slip.

Further, horizontal adjusting device is by first drive shaft drive, vertical adjusting device's axis of rotation is by the second drive shaft drive, first drive shaft and second drive shaft parallel arrangement, be equipped with the regulation shift fork between first drive shaft and the second drive shaft, the regulation shift fork can make power output shaft switch between to first drive shaft or second drive shaft output power.

Further, the power output shaft is driven by a motor or manually.

Furthermore, a screw cap type gear assembly is arranged on a second lead screw of the horizontal adjusting device and comprises a screw cap type gear shell and two mutually meshed screw cap type gears, grooves are formed in two sides of each screw cap type gear, and balls are mounted in the grooves.

Furthermore, the two telescopic wagon tarpaulin frames are respectively arranged at the front part and the rear part of the carriage, a steel wire rope is arranged between the two telescopic wagon tarpaulin frames, a group of tensioning wheels are arranged on the steel wire rope, and the distance between the tensioning wheels can be adjusted.

Furthermore, the utility model also provides a freight train makes the tarpaulin frame that it contains can carry out height and width direction's regulation, and convenience of customers uses to overcome the not enough of current freight train.

In order to solve the technical problem, the utility model provides a truck contains foretell concertina type freight train tarpaulin frame.

After adopting such design, the utility model discloses following advantage has at least:

1. the height and the width of the frame body can be adjusted through the horizontal adjusting device and the vertical adjusting device, effective tarpaulin covering is carried out according to the volume size of goods, and the tarpaulin frame can be folded in as required during loading and unloading, so that the influence on loading and unloading goods is reduced.

2. The motor is used for driving the adjustment of the size of the frame body and the movement of the steel wire rope, so that the labor is saved.

3. The tensioning wheels are arranged to contract and compress the steel wire ropes and the tarpaulin, so that the tarpaulin is more attached to the goods.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is a schematic structural view of a first embodiment of a telescopic type truck tarpaulin frame provided by the present invention;

FIG. 2 is a schematic structural view of a leveling device in the first embodiment;

FIG. 3 is a schematic view of a structure of a rotating shaft;

FIG. 4 is a schematic view of the driving of the horizontal and vertical adjusting devices;

FIG. 5 is a schematic view of the structure of the adjustment fork;

FIG. 6 is a schematic of a wireline drive;

fig. 7 is a schematic structural view of a second embodiment of a telescopic type truck tarpaulin frame provided by the present invention;

fig. 8 is a schematic structural view of a screw cap type gear assembly.

Description of reference numerals: 1-a frame body; 2-a level adjustment device; 3-a vertical adjustment device; 4-upright post; 5-a first telescopic rod; 6-a cross beam; 7-a second telescopic rod; 8-a first lead screw; 9-a rotating shaft; 10-a first drive shaft; 11-a second drive shaft; 12-a screw cap gear assembly; 13-a third telescopic rod; 14-a gear; 15-a rack; 16-a first shaft body; 17-a second shaft body; 18-adjusting a shifting fork; 19-adjusting the motor; 20-a wire rope motor; 21-wire coil; 22-a tension wheel; 23-a guide rail; 24-a second lead screw; 25-a screw cap gear housing; 26-a screw cap gear; 27-ball.

Detailed Description

Referring to fig. 1, the present invention provides a telescopic tarpaulin rack for a truck, which comprises a rack body 1, a horizontal adjusting device 2 and a vertical adjusting device 3. The support body is door style of calligraphy, including stand 4 and crossbeam 6, first telescopic link 5 has been put to the inside cover of stand 4, first telescopic link 5 can slide flexible relatively stand 4, relies on stretching out or retracting adjusting support body 1's height of first telescopic link 5. The second telescopic rod 7 is sleeved in the cross beam 6, the second telescopic rod 7 can slide and stretch relative to the cross beam 6, and the width of the frame body 1 can be adjusted by extending or retracting the second telescopic rod 7.

Referring to fig. 2, the main body of the horizontal adjusting device 2 is a hollow pipe, two third telescopic rods 13 are arranged at two ends of the hollow pipe, the third telescopic rods 13 are sleeved in the hollow pipe and can extend out from two ends of the hollow pipe, the outer ends of the third telescopic rods 13 are fixedly connected with the upright posts 4 of the frame body 1, and the width of the frame body 1 can be adjusted by extending or retracting the third telescopic rods 13. Two the third telescopic link 13 is close to the inboard one end fixedly connected with rack 15 of hollow tube, two rack 15 meshes with a gear 14 simultaneously, two rack 15 is located gear 14's top and below respectively, drives two racks 15 and moves to opposite direction when gear revolve to drive two synchronous outside extensions or the inside withdrawal of third telescopic link 13, realize the width control of support body 1.

Referring to fig. 1, the vertical adjustment device 3 includes a first lead screw 8 and a rotation shaft 9, the first lead screw 8 is installed inside the column 4 of the frame body 1, the rotation shaft 9 and the first lead screw 8 form a transmission connection through a pair of bevel gears, so that the rotation shaft 9 can drive the first lead screw 8 to rotate, and the first lead screw 8 further pushes the first telescopic rod 5 to telescopically adjust the height of the frame body 1.

Referring to fig. 3, it should be noted that the rotating shaft 9 is formed by splicing a first shaft body 16 and a second shaft body 17, the first shaft body 16 and the second shaft body 17 are arranged in a collinear manner, opposite ends of the first shaft body 16 and the second shaft body 17 respectively extend out of a semicircular body, and the radiuses and the extension lengths of the two semicircular bodies are consistent, so that the two semicircular bodies can be completely spliced to enable the rotating shaft to be in a cylindrical shape, and a shaft sleeve is sleeved at the spliced position of the first shaft body 16 and the second shaft body 17 to play a limiting role. The design enables the first shaft body 16 and the second shaft body 17 to horizontally slide to change the overall length of the rotating shaft 9, and when the horizontal transmission device 2 adjusts the width of the frame body 1, the overall length of the rotating shaft 9 can be changed without interference and simultaneously the rotating transmission of the rotating shaft 9 is not influenced.

Referring to fig. 1, 4 and 5 in combination, the power of the horizontal adjusting device 2 and the vertical adjusting device 3 is derived from a first driving shaft 10 and a second driving shaft 11, the first driving shaft 10 and the second driving shaft 11 are arranged in parallel, bevel gears are respectively arranged on the first driving shaft 10 and the second driving shaft 11 for meshing transmission with a power output shaft, the power output shaft is also provided with the bevel gears, and an adjusting fork 18 is also arranged, and the bevel gears on the power output shaft can be meshed with the bevel gears on the first driving shaft 10 or the second driving shaft 11 by pulling an adjusting rod of the adjusting fork 18, so that power driving switching is performed between the first driving shaft 10 and the second driving shaft 11. That is, only one of the height and the width of the frame body 1 can be adjusted at a time.

Preferably, the power output shaft is connected with the adjusting motor 19, and the adjusting motor 19 provides output power. Of course, the power output shaft can also be connected to a hand-operated wheel, and when the motor fails, the manual driving frame body 1 is adjusted.

Referring to fig. 6, the two retractable tarpaulin frames of the utility model are set as a set and installed at the front and rear of the boxcar respectively, the two retractable tarpaulin frames are connected by the steel wire rope, the steel wire rope is wound on the wire coil 21, and the wire coil 21 is driven by the steel wire rope motor 20 to stretch the steel wire rope.

Preferably, the steel wire rope is provided with a tension pulley 22, a wheel shaft of the tension pulley 22 is connected with a guide rail 23, and the guide rail 23 is driven by a gear to drive the tension pulley 22 to move along the steel wire rope. The two tension wheels 22 are in a group, and when the two tension wheels 22 are close to each other, the steel wire ropes can be compressed, so that the tarpaulin is more tightly attached to the goods; when the two tension wheels 22 are far away from each other, the steel wire ropes are stretched, and the tarpaulin is looser.

Referring to fig. 7, fig. 7 shows a second embodiment of the present invention, in this embodiment, the third telescopic rods 13 at two ends of the horizontal adjustment device 2 are respectively driven by two second lead screws 24, the two second lead screws 24 are horizontally arranged in a collinear manner and have a certain distance at opposite ends, the two second lead screws 24 are respectively fixedly connected with the two third telescopic rods 13, the second lead screws 24 are provided with nut-shaped gear assemblies 12, and the nut-shaped gear assemblies 12 are used for transmitting power to the second lead screws 24, so as to drive the third telescopic rods 13 to perform telescopic motion. Referring to fig. 8, the screw cap type gear assembly 12 includes a screw cap gear housing 25 and a screw cap gear 26, the two screw cap gears 26 engaged with each other are installed in the screw cap gear housing 25, compared with a common gear, the screw cap gear 26 is provided with two grooves additionally formed at both sides of the gear in the axial direction, and balls 27 are installed in the grooves to make the engagement rotation between the gears smoother.

The utility model discloses when using, the cover has a cloth cover on wire rope, and tarpaulin is fixed on the cloth cover along wire rope length direction one section distance at every interval, and the very end of tarpaulin is fixed on the wire rope of the tarpaulin frame department of carriage afterbody, like this through rotating drum pulling wire rope can realize receiving and releasing of tarpaulin, and receiving and releasing the in-process, the tarpaulin can not the skew position. The wire ropes are wound in an end-to-end mode to form a ring shape and are wound around wire coils of the tarpaulin frame positioned at the front part of the carriage and fixed pulleys of the tarpaulin frame positioned at the rear part of the carriage respectively. The steel wire rope is wound and pulled by means of forward rotation or reverse rotation of the wire coil, and the cloth cover is only arranged on the half-distance steel wire rope to protect the tarpaulin, so that the tarpaulin is prevented from being damaged by pulling of the steel wire rope.

The utility model discloses have higher flexibility, can change the width and the height of tarpaulin frame according to the volume flexibility of loading goods, if use hoisting equipment when handling goods, also can draw in the tarpaulin in to the railway carriage front portion to take off wire rope from the tarpaulin frame at railway carriage rear portion, make things convenient for the loading and unloading of goods, the loading and unloading is accomplished and is returned wire rope again.

The utility model is suitable for a flatbed truck, flat target case freight train, high fence freight train and part repacking type car as a house etc. the telescopic support body makes the tarpaulin cover have more the flexibility, and can be by one-man operation, and convenient to use uses manpower sparingly.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.

Claims

1. The utility model provides a concertina type freight train tarpaulin frame which characterized in that, includes support body, horizontal adjusting device and vertical adjusting device, wherein:

2. A telescopic tarpaulin rack of a truck as claimed in claim 1, wherein the two third telescopic rods of the horizontal adjustment device are connected to two racks respectively, the horizontal adjustment device is provided with a gear shaft and a gear at the center inside, the two racks are located above and below the gear respectively and are engaged with the gear, the gear rotates to drive the two racks to move horizontally, and further drives the two third telescopic rods to extend or retract, so as to adjust the distance between the two vertical posts of the rack body.

3. A telescopic type truck tarpaulin frame as claimed in claim 1, wherein two third telescopic rods of said horizontal adjustment device are connected to two second lead screws respectively, and said two second lead screws rotate synchronously to drive said two third telescopic rods to extend or retract simultaneously, thereby adjusting the distance between two vertical posts of the frame body.

4. A telescopic tarpaulin rack of any preceding claim 1 to 3, wherein the vertical adjustment device comprises a first shaft and a second shaft, the first shaft and the second shaft are arranged in a collinear manner, and a semi-circular body is respectively extended from the ends of the first shaft and the second shaft, the semi-circular body of the first shaft and the semi-circular body of the second shaft are mutually combined to form a complete cylinder of the rotation shaft, and when the rotation shaft rotates, the first shaft and the second shaft rotate synchronously and the first shaft can slide horizontally relative to the second shaft.

5. A telescopic truck tarpaulin frame according to any of the preceding claims 1 to 3, wherein the horizontal adjustment device is driven by a first driving shaft, the vertical adjustment device has a rotation shaft driven by a second driving shaft, the first driving shaft and the second driving shaft are arranged in parallel, and an adjustment fork is provided between the first driving shaft and the second driving shaft, and the adjustment fork enables the power take-off shaft to be switched between outputting power to the first driving shaft or the second driving shaft.

6. A telescopic truck tarpaulin frame according to claim 5, wherein said power take-off shaft is driven by an electric motor or manually.

7. A telescopic truck tarpaulin frame of claim 3, wherein the second screw of the level adjustment device is provided with a screw cap type gear assembly, the screw cap type gear assembly comprises a screw cap type gear housing and two mutually meshed screw cap type gears, and grooves are formed on two sides of the screw cap type gears and are internally provided with balls.

8. A telescopic type truck tarpaulin frame according to any one of claims 1 to 3, wherein two telescopic type truck tarpaulin frames are respectively installed at the front and rear parts of a carriage, a steel cable is installed between the two telescopic type truck tarpaulin frames, a set of tension wheels are arranged on the steel cable, and the distance between the tension wheels can be adjusted.

9. A truck comprising a telescopic truck tarpaulin rack of any of the preceding claims 1 to 8.