CN215398616U

CN215398616U - Rear frame mechanism of mobile crushing trolley

Info

Publication number: CN215398616U
Application number: CN202121380937.8U
Authority: CN
Inventors: 张书来; 李开路; 张德龙; 徐科; 李连华
Original assignee: Shandong YZH Machinery Equipment Co Ltd
Current assignee: Shandong YZH Machinery Equipment Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-04
Anticipated expiration: 2031-06-21

Abstract

Remove broken platform truck rear frame mechanism, including back frame chassis, the tire is installed through the rocking frame assembly in back frame chassis bottom, installs the engine on the back frame chassis, installs the oil tank on the back frame chassis of tire front side, installs the radiator on the back frame chassis of tire rear side, the water tank is installed to the rear end on back frame chassis, and the front end on back frame chassis is equipped with the articulated slab, all installs the inclined support device in the both sides position department on back frame chassis, inclined support device is including setting up the connecting plate on back frame chassis, offers the first trough and the second trough that pass through of vertical setting on the connecting plate, and first trough that passes through is located the upside position that the second passed through the groove, the first chute of looks UNICOM is seted up to first trough upper end, and the second chute of looks UNICOM is seted up to second trough upper end, and first chute is good at the second chute.

Description

Rear frame mechanism of mobile crushing trolley

Technical Field

The utility model relates to the technical field of frames, in particular to a rear frame mechanism of a movable crushing trolley.

Background

The movable crushing trolley is mine equipment for tunnel and underground engineering construction, and can be assembled with different types of construction arms to finish different construction purposes, for example, a rock drill is hung to dig and chisel rock walls in a roadway or a mine, and the whole machine can adjust the position of the whole machine according to the construction progress. In order to guarantee the stability of complete machine in the work progress, can install the supporting leg in the frame usually, but current supporting leg mostly is vertical lift, when removing broken platform truck and carry out rock drilling or broken operation, the whole reaction force that can receive the horizontal direction of platform truck, because this part horizontal reaction force is hardly offset to the supporting leg of vertical setting, can make the platform truck take place to remove, can't guarantee the stability of complete machine operation.

Disclosure of Invention

The utility model aims to provide a rear frame mechanism of a mobile crushing trolley, wherein a supporting device capable of rotating and inclining is arranged on a chassis of a rear frame, so that the transverse reaction force in the operation process of the trolley can be counteracted, the stability in the operation process of the trolley is ensured, and the problems in the prior art are solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a rear frame mechanism of a mobile crushing trolley, which comprises a rear frame chassis, wherein a tire is arranged at the bottom of the rear frame chassis through a swing frame assembly, an engine is arranged on the rear frame chassis, an oil tank is arranged on the rear frame chassis at the front side of the tire, a radiator is arranged on the rear frame chassis at the rear side of the tire, a water tank is arranged at the rear end of the rear frame chassis, a hinged plate is arranged at the front end of the rear frame chassis, inclined supporting devices are respectively arranged at two sides of the rear frame chassis, each inclined supporting device comprises a connecting plate arranged on the rear frame chassis, a first through groove and a second through groove which are vertically arranged are arranged on the connecting plate, the first through groove is positioned at the upper side of the second through groove, a first chute which is communicated is arranged at the upper end of the first through groove, a second chute which is communicated with each other is arranged at the upper end of the second through groove, and the first chute is longer than the second chute, the utility model discloses a supporting leg, including supporting leg urceolus, supporting leg inner tube, articulated shaft, supporting bottom plate, articulated shaft and tire, the guide bar is installed to through groove and chute fit in, and guide bar one end is worn out the connecting plate and is equipped with the stopper, and the other end fixed mounting of guide bar has the supporting leg urceolus, and the supporting leg inner tube is installed to the supporting leg urceolus fit in, installs flexible hydro-cylinder between supporting leg urceolus and supporting leg inner tube, and the cylinder body of flexible hydro-cylinder links to each other with the supporting leg urceolus, and the piston rod of flexible hydro-cylinder links to each other with the supporting leg inner tube, can drive the supporting leg inner tube to stretch out the supporting leg urceolus downwards when the piston rod of flexible hydro-cylinder stretches out, supporting bottom plate is installed through the articulated shaft in the bottom of supporting leg inner tube, and wherein the pivot looks parallel arrangement of articulated shaft and tire, and the dowel is installed to the bottom of supporting bottom plate front end. Corresponding to the position of stopper, install reset spring on the connecting plate, the inside telescopic link that is equipped with of reset spring, reset spring has the trend that promotes the stopper all the time and fall to penetrating the groove bottom. And a sliding wear-resisting plate is arranged between the supporting leg outer cylinder and the supporting leg inner cylinder. Two first diaphragms that set up side by side are installed to back frame chassis bottom, install the rocking frame assembly between two first diaphragms, the rocking frame assembly is including two second diaphragms that set up side by side, and second diaphragm and first diaphragm parallel arrangement, the both ends of second diaphragm all are connected with the riser of vertical setting, all install the tire through the walking motor on every riser, all install antifriction bearing in every second diaphragm, all be equipped with the bearing clamp plate on the second diaphragm at antifriction bearing both ends, the bearing clamp plate is through first bolt fixed mounting on the second diaphragm, antifriction bearing and bearing clamp plate fit in install movable semi-axis, the one end that movable semi-axis is close to first diaphragm is equipped with the semi-axis seat, the semi-axis seat passes through second bolt fixed mounting on first diaphragm, and the relative activity semi-axis of rocking frame assembly ability rotates. A limit convex edge is arranged on one movable half shaft, the diameter of the limit convex edge is larger than that of the inner ring of the rolling bearing, a half shaft limiting sleeve is arranged at the end part of the movable half shaft far away from the limit convex edge, the diameter of the half shaft limiting sleeve is larger than that of the inner ring of the rolling bearing, the rolling bearing is positioned between the limit convex edge and the half shaft limiting sleeve, and the half shaft limiting sleeve is fixedly installed at the end part of the movable half shaft through a third bolt.

The utility model has the positive effects that: according to the rear frame mechanism of the movable crushing trolley, the inclined support device is mounted on the chassis of the rear frame, the piston rod of the telescopic oil cylinder continues to extend out after the support base plate on the inclined support device is fixed in contact with the ground, the outer cylinder of the support leg and the inner cylinder of the support leg can rotate in an inclined mode together, transverse reaction force in the operation process of the trolley is offset, the trolley is prevented from moving transversely, and stability in the operation process of the trolley is guaranteed.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of the view B in FIG. 1;

FIG. 4 is an enlarged view of the cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a right side view of FIG. 3;

FIG. 6 is a left side view of FIG. 3;

FIG. 7 is a schematic view illustrating a state in which the inclined support means of FIG. 5 is inclinedly supported;

FIG. 8 is a schematic view of the mounting of the swing frame assembly to the rear frame chassis;

FIG. 9 is a schematic structural view of the rocking beam assembly;

FIG. 10 is a cross-sectional view of the connection between the rocker assembly and the rear frame pan;

fig. 11 is a partial enlarged view of I in fig. 10.

Detailed Description

The utility model relates to a rear frame mechanism of a mobile crushing trolley, which comprises a rear frame chassis 1, wherein tires 2 are arranged at the bottom of the rear frame chassis 1 through a swing frame assembly, an engine 3 is arranged on the rear frame chassis 1, an oil tank 4 is arranged on the rear frame chassis 1 at the front side of the tires 2, fuel is filled in the oil tank 4, the engine 3 provides power for the whole machine, and the movement of a frame can be realized when the tires 2 rotate, as shown in figures 1 and 2. In order to effectively radiate heat of the engine 3, a radiator 5 is arranged on the rear frame chassis 1 at the rear side of the tire 2, a water tank 6 is arranged at the rear end of the rear frame chassis 1, a hinged plate 7 is arranged at the front end of the rear frame chassis 1, and the hinged plate 7 can be hinged with a front frame of the trolley or other matched carriages.

For offsetting horizontal reaction force during operation of the trolley, as shown in fig. 3, inclined supporting devices are mounted at two side positions of the rear frame chassis 1 and comprise a connecting plate 10 arranged on the rear frame chassis 1, as shown in fig. 4, a first through groove 11 and a second through groove 12 which are vertically arranged are formed in the connecting plate 10, the first through groove 11 is located at the upper side position of the second through groove 12, a first chute 13 which is communicated with the first through groove 11 is formed in the upper end of the first through groove, a second chute 14 which is communicated with the second through groove 12 is formed in the upper end of the second through groove 12, and the first chute 13 is longer than the second chute 14. Pass through groove and chute fit in and install guide bar 15, guide bar 15 can be by passing through the groove and removing to the chute in, guide bar 15 one end is worn out connecting plate 10 and is equipped with stopper 16, the other end fixed mounting of guide bar 15 has supporting leg urceolus 17. As shown in FIG. 5, a supporting leg inner cylinder 18 is fittingly installed in the supporting leg outer cylinder 17, a telescopic cylinder 19 is installed between the supporting leg outer cylinder 17 and the supporting leg inner cylinder 18, a cylinder body of the telescopic cylinder 19 is connected with the supporting leg outer cylinder 17, a piston rod of the telescopic cylinder 19 is connected with the supporting leg inner cylinder 18, and when the piston rod of the telescopic cylinder 19 extends, the supporting leg inner cylinder 18 can be driven to extend downwards out of the supporting leg outer cylinder 17. The bottom of the supporting leg inner cylinder 18 is provided with a supporting bottom plate 21 through a hinge shaft 20, wherein the hinge shaft 20 is arranged in parallel with the rotating shaft of the tire 2, and the bottom of the front end of the supporting bottom plate 21 is provided with a positioning nail 25.

When the inclined supporting device does not play a supporting role, the leg outer cylinder 17 and the guide rod 15 on the leg outer cylinder are respectively positioned at the bottom positions of the first through groove 11 and the second through groove 12 under the action of gravity, when the support is required, the piston rod of the telescopic oil cylinder 19 extends out, firstly, the support leg inner cylinder 18 is lowered until the support bottom plate 21 is contacted with the ground, the positioning nail 25 realizes the relative positioning between the support bottom plate 21 and the ground, then, the piston rod of the telescopic oil cylinder 19 continues to extend out, the support leg inner cylinder 18 keeps still, the support leg outer cylinder 17 moves upwards until the guide rod 15 enters the chute from the through groove, and if the piston rod of the telescopic oil cylinder 19 continues to extend out, the inclined supporting device can realize the synchronous inclined rotation of the support leg inner cylinder 18 and the support leg outer cylinder 17 by taking the hinge shaft 20 as a circle center, and the support leg inner cylinder 18 and the support leg outer cylinder 17 stop rotating until the guide rod 15 moves to the end part of the chute, the inclined support shown in fig. 7 is formed, and the support base 21 is always kept from changing in angle and position during the above-mentioned rotation. Wherein the first inclined groove 13 is longer than the second inclined groove 14, that is, the guide rod 15 moves a longer distance in the first inclined groove 13 than in the second inclined groove 14, to realize the rotation about the hinge shaft 20. The supporting bottom plate 21 does not move relative to the ground, so that the ground broken stones can be prevented from being turned over in the operation process of the crushing trolley, the bonding strength between the inclined supporting device and the ground broken stones is ensured, and effective support is provided.

Wherein the inclined supporting device can be arranged on the rear frame, and the existing vertical lifting supporting leg device can be arranged on the front frame.

Further, in order to ensure that the inclined supporting device in the state shown in fig. 7 can be smoothly reset when the supporting state is released, as shown in fig. 6, a return spring 22 is installed on the connecting plate 10 corresponding to the position of the limiting block 16, an expansion link 23 is arranged inside the return spring 22, and the return spring 22 always tends to push the limiting block 16 to fall to the bottom of the through groove.

Further, in order to reduce the friction between the outer cylinder 17 and the inner cylinder 18 when the outer cylinder 17 and the inner cylinder 18 move relatively, and prolong the service life of the outer cylinder and the inner cylinder, a sliding wear plate 24 is installed between the outer cylinder 17 and the inner cylinder 18, wherein the sliding wear plate 24 can be used as a wearing part for maintenance or replacement.

As shown in fig. 8, two first transverse plates 8 arranged side by side are installed at the bottom of the rear frame chassis 1, a swing frame assembly is installed between the two first transverse plates 8, as shown in fig. 9, the swing frame assembly comprises two second transverse plates 9 arranged side by side, the second transverse plates 9 are parallel to the first transverse plates 8, two ends of each second transverse plate 9 are connected with vertical plates 26 arranged vertically, each vertical plate 26 is provided with a tire 2 through a traveling motor 27, and the traveling motors 27 can start to drive the tires 2 to rotate so as to complete the advancing of the crusher.

As shown in fig. 10, a rolling bearing 28 is installed in each second transverse plate 9, bearing pressing plates 29 are respectively disposed on the second transverse plates 9 at two ends of the rolling bearing 28, the bearing pressing plates 29 are fixedly installed on the second transverse plates 9 through first bolts 30, and the rolling bearing 28 is fixed in the second transverse plates 9 through the bearing pressing plates 29 at two sides. The rolling bearing 28 and the bearing pressing plate 29 are internally provided with a movable half shaft 31 in a matching way, one end of the movable half shaft 31 close to the first transverse plate 8 is provided with a half shaft seat 32, the half shaft seat 32 is fixedly arranged on the first transverse plate 8 through a second bolt 33, the second transverse plate 9 can rotate relative to the movable half shaft 31, namely, the swing frame assembly can rotate relative to the movable half shaft 31, the first transverse plate 8 or the rear frame chassis 1, and therefore the tire 2 can swing and follow up the undulation of the road surface.

Further, in order to prevent the movable half shafts 31 from moving transversely relative to the rolling bearings 28 in the direction shown in fig. 10 and ensure that the movable half shafts 31 on both sides are positioned on the rolling bearings 28 in the second transverse plate 9, as shown in fig. 11, one of the movable half shafts 31 is provided with a limiting convex edge 34, the diameter of the limiting convex edge 34 is larger than that of the inner ring of the rolling bearing 28, the end of the movable half shaft 31 far away from the limiting convex edge 34 is provided with a half shaft limiting sleeve 35, the diameter of the half shaft limiting sleeve 35 is larger than that of the inner ring of the rolling bearing 28, the rolling bearing 28 is positioned between the limiting convex edge 34 and the half shaft limiting sleeve 35, the half shaft limiting sleeve 35 is fixedly mounted at the end of the movable half shaft 31 through a third bolt 36, due to the arrangement of the limiting convex edge 34 and the half shaft limiting sleeve 35, the movable half shaft 31 cannot move transversely relative to the rolling bearing 28, the whole rocking frame mechanism is positioned between the two movable half shafts 31, the front and back movement of the swing frame mechanism in the walking process of the crushing vehicle can be effectively prevented.

Compared with the traditional double supporting plates and the through shaft connection mode, the swing frame mechanism has larger swing amplitude under the condition that the frame height is the same, the height position of the frame does not need to be additionally improved, and the movable half shaft connection mode is more convenient to detach, maintain or replace.

The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a frame mechanism behind removal crushing trolley which characterized in that: comprises a rear frame chassis (1), wherein a tire (2) is arranged at the bottom of the rear frame chassis (1) through a swing frame assembly, an engine (3) is arranged on the rear frame chassis (1), an oil tank (4) is arranged on the rear frame chassis (1) at the front side of the tire (2), a radiator (5) is arranged on the rear frame chassis (1) at the rear side of the tire (2), a water tank (6) is arranged at the rear end of the rear frame chassis (1), a hinged plate (7) is arranged at the front end of the rear frame chassis (1), inclined supporting devices are arranged at the positions of two sides of the rear frame chassis (1) respectively, each inclined supporting device comprises a connecting plate (10) arranged on the rear frame chassis (1), a first through groove (11) and a second through groove (12) which are vertically arranged are arranged on the connecting plate (10), the first through groove (11) is positioned at the upper side of the second through groove (12), the device is characterized in that a first chute (13) communicated with each other is formed in the upper end of a first through groove (11), a second chute (14) communicated with each other is formed in the upper end of a second through groove (12), the first chute (13) is longer than the second chute (14), guide rods (15) are installed in the through grooves and the chutes in a matched mode, one ends of the guide rods (15) penetrate through a connecting plate (10) and are provided with limit blocks (16), a supporting leg outer cylinder (17) is fixedly installed at the other end of each guide rod (15), a supporting leg inner cylinder (18) is installed in the supporting leg outer cylinder (17) in a matched mode, a telescopic oil cylinder (19) is installed between the supporting leg outer cylinder (17) and the supporting leg inner cylinder (18), a cylinder body of the telescopic oil cylinder (19) is connected with the supporting leg outer cylinder (17), a piston rod of the telescopic oil cylinder (19) is connected with the supporting leg inner cylinder (18), and the supporting leg outer cylinder (17) can be driven to extend downwards by the supporting leg inner cylinder (18) when the piston rod of the telescopic oil cylinder (19) extends out, the bottom of the supporting leg inner cylinder (18) is provided with a supporting bottom plate (21) through an articulated shaft (20), wherein the articulated shaft (20) is arranged in parallel with the rotating shaft of the tire (2), and the bottom of the front end of the supporting bottom plate (21) is provided with a positioning nail (25).

2. The rear frame mechanism of a mobile crushing trolley according to claim 1, characterized in that: corresponding to the position of stopper (16), install reset spring (22) on connecting plate (10), inside telescopic link (23) that is equipped with of reset spring (22), reset spring (22) have the trend that promotes stopper (16) and fall to penetrating the groove bottom all the time.

3. The rear frame mechanism of a mobile crushing trolley according to claim 1, characterized in that: and a sliding wear plate (24) is arranged between the supporting leg outer cylinder (17) and the supporting leg inner cylinder (18).

4. The rear frame mechanism of a mobile crushing trolley according to claim 1, characterized in that: two first transverse plates (8) arranged side by side are installed at the bottom of a rear frame chassis (1), a swing frame assembly is installed between the two first transverse plates (8), the swing frame assembly comprises two second transverse plates (9) arranged side by side, the second transverse plates (9) are arranged in parallel with the first transverse plates (8), two ends of each second transverse plate (9) are connected with vertical plates (26) which are vertically arranged, a tire (2) is installed on each vertical plate (26) through a traveling motor (27), a rolling bearing (28) is installed in each second transverse plate (9), bearing pressing plates (29) are arranged on the second transverse plates (9) at two ends of each rolling bearing (28), the bearing pressing plates (29) are fixedly installed on the second transverse plates (9) through first bolts (30), and movable half shafts (31) are installed in the rolling bearings (28) and the bearing pressing plates (29) in a matched manner, one end of the movable half shaft (31) close to the first transverse plate (8) is provided with a half shaft seat (32), the half shaft seat (32) is fixedly arranged on the first transverse plate (8) through a second bolt (33), and the swing frame assembly can rotate relative to the movable half shaft (31).

5. The rear frame mechanism of a mobile crushing trolley according to claim 4, characterized in that: a limiting convex edge (34) is arranged on one movable half shaft (31), the diameter of the limiting convex edge (34) is larger than that of an inner ring of a rolling bearing (28), a half shaft limiting sleeve (35) is arranged at the end part of the movable half shaft (31) far away from the limiting convex edge (34), the diameter of the half shaft limiting sleeve (35) is larger than that of the inner ring of the rolling bearing (28), the rolling bearing (28) is located between the limiting convex edge (34) and the half shaft limiting sleeve (35), and the half shaft limiting sleeve (35) is fixedly installed at the end part of the movable half shaft (31) through a third bolt (36).