CN214084184U

CN214084184U - Semitrailer car hopper lifting supporting device

Info

Publication number: CN214084184U
Application number: CN202022630553.9U
Authority: CN
Inventors: 房长兵; 戴礼玉
Original assignee: Yangzhou Tonghai Automobile Parts Co ltd
Current assignee: Yangzhou Tonghai Automobile Parts Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-08-31
Anticipated expiration: 2030-11-14

Abstract

The utility model relates to a semitrailer car hopper lifting support device. Including the gear box, the left side of gear box is provided with two sets of spacing frames, and the top of spacing frame is provided with the frame that extends of spacing frame intercommunication, and the inside of extending the frame is provided with the inside casing, and the outside of gear box is provided with the ejector pin that runs through the frame that extends, and the rectangular hole has all been seted up to the bottom wall of spacing frame, and the inside of spacing frame is provided with the backing plate, and the top wall fixed mounting of backing plate has the limiting plate. The utility model discloses in, this semitrailer car hopper lift supporting arrangement, when backing plate and ground laminating, remove two sets of arm-tie to the direction that approaches mutually again, correspond the position wall laminating on a lateral wall face that makes the slope on the cardboard and the draw-in groove, the cardboard is injectd the position of backing plate, and the backing plate pad extends the length of spacing frame in the bottom of spacing frame, through the length of adjusting the backing plate, has avoided the repeated condition emergence of looking for the cushion and increasing the supporting arrangement height.

Description

Semitrailer car hopper lifting supporting device

Technical Field

The utility model relates to a semitrailer device technical field especially relates to a semitrailer car hopper lifting support device.

Background

A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. Is a heavy transport vehicle connected with a semitrailer head through a towing pin.

The existing supporting device for the semitrailer hopper on the market generally uses supporting legs as supports, wherein the supporting legs are linked conveniently, but the linked supporting legs need cushion blocks to keep basic balance in the rugged ground, the rugged ground is different in height, the required cushion blocks are different in height, and the efficiency is influenced by additionally finding the cushion blocks at each time. Therefore, the semitrailer hopper lifting supporting device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a semitrailer hopper lifting supporting device.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a semitrailer car hopper lift supporting device, including the gear box, the left side of gear box is provided with two sets of spacing frames, the top of spacing frame is provided with the frame that extends of spacing frame intercommunication, the inside of extending the frame is provided with the inside casing, the outside of gear box is provided with the ejector pin that runs through the frame that extends, the rectangular hole has all been seted up to the bottom wall of spacing frame, the inside of spacing frame is provided with the backing plate, the top wall fixed mounting of backing plate has the limiting plate, the multiunit draw-in groove has all been seted up to both sides wall about the backing plate, the rectangle through-hole has all been seted up at both ends about spacing frame, both ends all are provided with the arm-tie about the spacing frame, corresponding position wall fixed mounting has the cardboard on the arm-tie, the cardboard extends to the inside of spacing frame through the rectangle through-hole on the spacing frame.

Preferably, the clamping grooves are in a right-angled triangle shape, the right-angled surfaces of the clamping grooves face the bottom end, one side wall surfaces, approaching to each other, of the two clamping plates in the four clamping plates are inclined, and the inclined side wall surfaces of the four clamping plates are respectively attached to the corresponding position wall surfaces of the two clamping plates in the approaching to each other.

Preferably, the ejector rod is fixedly provided with vertical round platform gears on the side walls of the two groups of inner frames, the two groups of inner frames are internally provided with transverse round platform gears, the two groups of transverse round platform gears are meshed with the adjacent vertical round platform gears respectively, supporting plates are fixedly arranged on the corresponding positions of the inner walls of the two groups of inner frames, a circular through hole is formed in the top wall surface of each supporting plate, bearings are fixedly arranged on the corresponding positions of the circular through hole on each supporting plate, threaded rods are arranged inside the two groups of inner frames, and the top ends of the side walls of the two groups of threaded rods are fixedly connected with the corresponding positions of the holes on the two groups of.

Preferably, threaded plates are fixedly mounted inside the two groups of limiting frames, threaded holes are formed in the top wall surfaces of the two groups of threaded plates, and the threaded holes in the two groups of threaded plates are respectively in threaded connection with the adjacent group of threaded rods.

Preferably, a gear is fixedly mounted at the right end of the side wall of the ejector rod, and the gear on the ejector rod is meshed with the gear inside the gear box.

Preferably, a right side wall surface of the extension frame near the right side is fixedly connected with a left side wall surface of the gear box.

The utility model provides a semitrailer car hopper lifting support device possesses following beneficial effect:

(1) this semitrailer car hopper lifting support device, place a set of backing plate subaerial earlier when the road surface is uneven, support the lateral wall of ejector pin on the semitrailer car hopper, the direction pulling of keeping away from mutually in two sets of arm-tie outside the spacing frame that will correspond on another set of backing plate, make two sets of cardboard no longer block in the inside of draw-in groove, the backing plate can the downstream because of gravity, when backing plate and ground laminating, move two sets of arm-tie to the direction that approaches mutually again, make the laminating of corresponding position wall on a lateral wall face that the cardboard inclines and the draw-in groove, the cardboard is injectd the position of backing plate, the backing plate pad is in the bottom of spacing frame, extend the length of spacing frame, length through adjusting the backing plate, avoided the repeated condition that seeks the cushion and increase the supporting device height to take place.

(2) This semitrailer car hopper lifting support device because the draw-in groove is the triangle-shaped form in right angle, and the right angle face on the draw-in groove is in the position of bottom, so when the cardboard card is in the inside of draw-in groove, blocks each other with the cardboard through the right angle face on the draw-in groove, has reached the effect that improves stability.

(3) This semitrailer car hopper lifting support device, after the position of backing plate was confirmed, through the crank on the gear box, make the inside gear of gear box rotatory, then the inside gear of gear box drives the ejector pin rotation through the gear on the ejector pin, two sets of vertical round platform gears in on the ejector pin can drive a set of horizontal round platform gear rotation that approaches mutually, and the threaded rod can be for the rotatory upward movement of horizontal round platform gear, with semitrailer car hopper to top jack-up, has reached the effect that facilitates the use.

Drawings

FIG. 1 is a front view of the semitrailer car hopper lifting support device of the present invention;

FIG. 2 is a sectional view of the limiting frame of the present invention;

fig. 3 is a cross-sectional view of the extension frame of the present invention;

fig. 4 is a front view of the backing plate of the present invention.

Illustration of the drawings:

the device comprises a gear box 1, a limiting frame 2, an extending frame 3, an inner frame 4, a push rod 5, a vertical round table gear 6, a horizontal round table gear 7, a supporting plate 8, a bearing 9, a threaded rod 10, a threaded plate 11, a limiting plate 12, a base plate 13, a clamping groove 14, a pulling plate 15 and a clamping plate 16.

Detailed Description

As shown in fig. 1-4, a semitrailer hopper lifting supporting device comprises a gear box 1, wherein two groups of limiting frames 2 are arranged on the left side of the gear box 1, the limiting frames 2 are hollow rectangular bodies, extending frames 3 are arranged on the tops of the two groups of limiting frames 2, the top wall surfaces of the two groups of limiting frames 2 are respectively communicated with the bottom wall surfaces of the two groups of extending frames 3, the right side wall surface of the extending frame 3 close to the right side is fixedly connected with the left side wall surface of the gear box 1, rectangular through holes are formed in the top wall surfaces of the two groups of extending frames 3, inner frames 4 are arranged on the tops of the two groups of extending frames 3, the bottom ends of the two groups of inner frames 4 respectively extend into the corresponding group of extending frames 3 through the rectangular through holes in the two groups of extending frames 3, a mandril 5 is arranged outside the gear box 1, the mandril 5 penetrates through the two groups of extending frames 3, and gears are fixedly arranged at the right end of the side walls of the mandril 5, the gear on the ejector rod 5 is meshed with the gear inside the gear box 1, the side walls of the ejector rod 5 inside the two groups of inner frames 4 are fixedly provided with vertical round platform gears 6, the inside of the two groups of inner frames 4 is provided with horizontal round platform gears 7, the two groups of horizontal round platform gears 7 are respectively meshed with the adjacent group of vertical round platform gears 6, the corresponding positions of the inner wall surfaces of the two groups of inner frames 4 are fixedly provided with supporting plates 8, the top wall surface of each supporting plate 8 is provided with a circular through hole, the corresponding position of the circular through hole on each supporting plate 8 is fixedly provided with a bearing 9, the inside of the two groups of inner frames 4 is provided with a threaded rod 10, the top ends of the side walls of the two groups of threaded rods 10 are respectively fixedly connected with the corresponding position of the upper hole of the two groups of bearings 9, the inside of the two groups of limiting frames 2 is fixedly provided with threaded plates 11, the top wall surfaces of the two groups of threaded plates 11 are respectively provided with threaded rods 10, and the threaded holes of the two groups of threaded plates 11 are respectively in threaded connection with the adjacent groups of threaded rods, limiting plates 12 are arranged inside the two groups of limiting frames 2, rectangular holes are formed in the bottom wall surfaces of the two groups of limiting frames 2, backing plates 13 are arranged at the bottoms of the two groups of limiting frames 2, the top ends of the two groups of backing plates 13 extend into the corresponding group of limiting frames 2 through the rectangular holes in the two groups of limiting frames 2 respectively, the top wall surfaces of the two groups of backing plates 13 are fixedly connected with the bottom wall surfaces of the adjacent group of limiting plates 12 respectively, a plurality of groups of clamping grooves 14 are formed in the left side wall surfaces and the right side wall surfaces of the two groups of backing plates 13, the clamping grooves 14 are in right-angled triangle shapes, the right-angled surfaces on the clamping grooves 14 face the bottom ends, rectangular through holes are formed in the left side end and the right side wall surfaces of the two groups of limiting frames 2, pull plates 15 are arranged at the left end and the right end of the two groups of pulling plates 15 on the two groups of limiting frames 2, clamping plates 16 are fixedly provided with clamping plates 16, one side wall surfaces of the four groups of the adjacent groups of clamping plates 16 are inclined, two groups of close clamping plates 16 on the four groups of clamping plates 16 respectively extend to the inside of a corresponding group of limit frames 2 through rectangular through holes on the group of close limit frames 2, and the inclined side wall surfaces of the four groups of clamping plates 16 are respectively attached to the corresponding position wall surfaces on the group of close clamping grooves 14.

The utility model discloses a theory of operation:

when using, place a set of backing plate 13 subaerial earlier when the road surface is not at ordinary times, support the lateral wall of ejector pin 5 on the semitrailer car hopper, with the outside two sets of arm-tie 15 of spacing frame 2 that correspond on another set of backing plate 13 to the direction pulling of keeping away from mutually, make two sets of cardboard 16 no longer block in the inside of draw-in groove 14, backing plate 13 can move down because of gravity, when backing plate 13 and ground laminating, move two sets of arm-tie 15 to the direction that approaches mutually again, make the laminating of correspondent position wall on a lateral wall face that inclines on cardboard 16 and the draw-in groove 14, cardboard 16 is injectd the position of backing plate 13, backing plate 13 pads in the bottom of spacing frame 2, extend the length of spacing frame 2.

Because the card slot 14 is in the shape of a right triangle and the right-angled surface on the card slot 14 is at the bottom end, when the card board 16 is clamped inside the card slot 14, the card board 16 and the right-angled surface on the card slot 14 are mutually clamped.

After the position of the backing plate 13 is determined, the gear inside the gear box 1 is rotated through the crank on the gear box 1, then the gear inside the gear box 1 drives the ejector rod 5 to rotate through the gear on the ejector rod 5, the two groups of vertical circular truncated cone gears 6 on the ejector rod 5 can drive the group of close horizontal circular truncated cone gears 7 to rotate, the threaded rod 10 can move upwards for the rotation of the horizontal circular truncated cone gears 7, and the semi-trailer hopper is jacked up to the top.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a semitrailer car hopper lifting support device, includes gear box (1), its characterized in that: gear box (1), the left side of gear box (1) is provided with two sets of spacing frames (2), the top of spacing frame (2) is provided with the extension frame (3) of spacing frame (2) intercommunication, the inside of extending frame (3) is provided with inside casing (4), the outside of gear box (1) is provided with ejector pin (5) of running through extension frame (3), the rectangular hole has all been seted up to the bottom wall of spacing frame (2), the inside of spacing frame (2) is provided with backing plate (13), the top wall fixed mounting of backing plate (13) has limiting plate (12), multiunit draw-in groove (14) have all been seted up to both sides wall about backing plate (13), the rectangle through-hole has all been seted up at both ends about spacing frame (2), both ends all are provided with arm-tie (15) about spacing frame (2), it has cardboard (16) to correspond position wall fixed mounting on arm-tie (15), cardboard (16) extend to the inside of spacing frame (2) through the rectangle through-hole on spacing frame (2).

2. The semitrailer hopper lifting support device according to claim 1, characterized in that: the clamping grooves (14) are in a right-angled triangle shape, right-angled surfaces face the bottom end on the clamping grooves (14), one side wall surface, approaching to each other, of two groups of clamping plates (16) on the four groups of clamping plates (16) is inclined, and the inclined side wall surfaces of the four groups of clamping plates (16) are respectively attached to the corresponding position wall surfaces on one group of clamping grooves (14) approaching to each other.

3. The semitrailer hopper lifting support device according to claim 1, characterized in that: ejector pin (5) have vertical round platform gear (6) at the equal fixed mounting of the inside lateral wall of two sets of inside casings (4), the inside of two sets of inside casings (4) all is provided with horizontal round platform gear (7), two sets of horizontal round platform gear (7) respectively with a set of vertical round platform gear (6) intermeshing that approaches mutually, the inside wall of two sets of inside casings (4) corresponds the equal fixed mounting in position and has backup pad (8), circular through-hole has been seted up to the top wall of backup pad (8), circular through-hole corresponds position wall fixed mounting in backup pad (8) and has bearing (9), the inside of two sets of inside casings (4) all is provided with threaded rod (10), the lateral wall top of two sets of threaded rod (10) corresponds position wall fixed connection with the pore pair in two sets of bearings (9) respectively.

4. The semitrailer hopper lifting support device according to claim 3, characterized in that: two sets of the equal fixed mounting in inside of spacing frame (2) has screw plate (11), and the top wall of two sets of screw plate (11) all sets up threaded hole, and threaded hole is gone up respectively with a set of threaded rod (10) threaded connection that approaches mutually on two sets of screw plate (11).

5. The semitrailer hopper lifting support device according to claim 1, characterized in that: the right end of the side wall of the ejector rod (5) is fixedly provided with a gear, and the gear on the ejector rod (5) is meshed with the gear inside the gear box (1).

6. The semitrailer hopper lifting support device according to claim 1, characterized in that: the right side wall surface of the extension frame (3) close to the right side is fixedly connected with the left side wall surface of the gear box (1).