CN214323786U

CN214323786U - Automatic centering device for rotation of mine mixer truck

Info

Publication number: CN214323786U
Application number: CN202023223497.3U
Authority: CN
Inventors: 胡鹏填; 魏鹏程; 肖敏; 林铭科; 李俊; 颜稚
Original assignee: Hunan Pengxiang Xingtong Automobile Co ltd
Current assignee: Hunan Pengxiang Xingtong Automobile Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-01
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a mining mixer truck rotary automatic aligning device, which comprises a truck body support, an inner ring used for being connected on a mixing drum, a feeding and discharging unit which is covered on the inner ring and is rotationally connected with the circumferential outer wall of the inner ring, and a floating aligning structure, wherein one end of the floating aligning structure is flexibly connected with the feeding and discharging unit, and the other end is connected on the truck body support; the utility model discloses because the effect of unsteady aligning subassembly, can be from top to bottom, around, control certain scope that floats and compensate for business turn over material unit can move along with the inner circle, then the outer lane can not overstress the restraint to the inner circle, and then make the interior outer lane do not hold back the power, make can not produce abnormal sound or even damage slewer because of excessive laminating and friction between outer lane and the inner circle, can play the guard action to whole slewer, guarantee operation safety, extension fixture's life.

Description

Automatic centering device for rotation of mine mixer truck

Technical Field

The utility model relates to a trucd mixer field, more specifically relates to an automatic aligning device of mining trucd mixer gyration.

Background

The mining mixer truck is used for mines and tunnels, a feed inlet and a discharge mechanism (a discharge outlet and a discharge cylinder for opening the discharge mechanism) of the existing mixer truck are integrated on a tail cover of the mixer truck, and the tail cover is used for sealing a tank body of the mixer truck to prevent the tank body from being exposed to cause evaporation or exposure of feed liquid; the inner ring is connected to the stirring drum of the tank body through a bolt and rotates along with the stirring drum to serve as a movable side whole; the tail cover is connected on the outer ring to form a static side whole body, so that rotary sealing is formed; after the tail cover is covered, a gap exists between the tail cover and the inner ring, and the feeding and discharging sealing is mainly matched and sealed on the inner ring of the tank body by the sealing ring on the inner side of the tail cover. Due to manufacturing tolerance or deformation of the mixing drum during no-load and full-load, or displacement of the inner ring during rotation of the inner ring, the axial leads of the inner ring and the outer ring are not coincident, if the outer ring cannot be adjusted to follow the inner ring for compensation movement, local excessive fit between the outer ring and the inner ring can be caused, the outer ring can be driven to rotate in the circumferential direction, or abnormal sound is emitted, or even the slewing device is damaged; in the prior art, a plurality of rotating devices are provided, and a floating circumferential stopping mechanism is used for circumferentially stopping an outer ring to prevent the outer ring from moving circumferentially; however, the floating circumferential stop mechanism prevents the outer ring from rotating circumferentially through the matching of the limiting groove and the protrusion, and only can prevent the outer ring from being driven by the inner ring to rotate circumferentially, but cannot compensate the deviation of the axis of the outer ring, namely, cannot adjust the position of the outer ring to compensate the displacement of the inner ring, or can cause the outer ring and the inner ring to be partially attached excessively, and then abnormal sound is emitted or even the rotary device is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned background art the axial lead to the outer lane can not carry out the skew compensation, still can make and excessively laminate between outer lane and the inner circle, send abnormal sound and damage slewer's problem even, provide a mining trucd mixer gyration automatic aligning device. The utility model discloses can float the position of adjusting the outer lane, prevent between outer lane and the inner circle excessive laminating and abnormal sound damage slewer even.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an automatic aligning device of mining trucd mixer gyration, includes the automobile body support, be used for inner circle and the lid of connection on the churn establish including circle and with the feeding and discharging unit that the circumference outer wall of inner circle rotated and connects, still including unsteady aligning structure, unsteady aligning structure one end with feeding and discharging unit flexonics, the other end are connected on the automobile body support.

Furthermore, the feeding and discharging unit comprises an outer ring and a sealing tail cover, wherein the circumferential inner wall of the outer ring is connected with the circumferential outer wall of the inner ring in a rotating mode, the sealing tail cover is connected onto one end face of the outer ring through connecting bolts distributed in the circumferential direction, and the sealing tail cover is back to the end face of the inner ring and the end face of the outer ring, and a feeding hopper and a discharging mechanism are arranged on the end face of the inner ring and the end face of the outer ring.

As an optimal scheme, unsteady aligning structure is including being located the arc support column and the fixed connection of automobile body support both sides are in crossbeam on the sealed tailcap both sides, the arc support column is located the outside of sealed tailcap both sides, crossbeam one end fixed connection be in sealed tailcap is back of the body the sealed tailcap upper and other end with the arc support column passes through the swing joint and connects.

Furthermore, the movable joint comprises a pin shaft and pin holes respectively formed in the opposite positions of the cross beam and the arc-shaped support columns, the pin shaft sequentially and movably penetrates through the pin holes in the opposite positions of the cross beam and the arc-shaped support columns, and the inner diameter of each pin hole is larger than the outer diameter of each pin shaft.

Furthermore, the pin hole is a waist-shaped hole, and the length and the width of the waist-shaped hole are both larger than the outer diameter of the pin shaft.

Furthermore, a limiting part is further installed at one end, penetrating out of the pin hole in the arc-shaped support column, of the pin shaft, and a distance exists between the limiting part and the lower end face of the arc-shaped support column.

As another preferable scheme, the floating aligning structure is an elastic compensation component respectively connected to two sides of one end of the outer ring close to the vehicle body support.

Furthermore, the elastic compensation assembly comprises a supporting support, a resetting device and a support, the supporting support is connected to the circumferential outer wall of the outer ring, the support is installed on the vehicle body support, one end of the resetting device is connected with the supporting support, and the other end of the resetting device is connected with the support.

Preferably, the reset device is a spring or other device with an elastic reset function.

Preferably, the spring is a stainless steel spring.

Compared with the prior art, the beneficial effects are:

the utility model discloses because the effect of unsteady aligning subassembly, can be from top to bottom, around, control certain scope that floats and compensate for business turn over material unit can move along with the inner circle, then the outer lane can not overstress the restraint to the inner circle, and then make the interior outer lane do not hold back the power, make can not produce abnormal sound or even damage slewer because of excessive laminating and friction between outer lane and the inner circle, can play the guard action to whole slewer, guarantee operation safety, extension fixture's life.

Drawings

Fig. 1 is a schematic rear view from the vehicle rear perspective of example 1.

FIG. 2 is a schematic structural view of embodiment 1.

Fig. 3 is a schematic structural view of the movable joint in embodiment 1.

FIG. 4 is a schematic structural view of embodiment 2.

Fig. 5 is a schematic view of the structure at the elasticity compensating block in embodiment 2.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "rear", "long", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the devices or elements referred to must have specific directions, be constructed and operated in specific directions, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 and fig. 2, the automatic center adjusting device for the rotation of the mining mixer truck comprises a truck body support 212, an inner ring used for being connected to a mixing drum 109, a feeding and discharging unit 200 which is covered on the inner ring and is rotatably connected with the circumferential outer wall of the inner ring, and a floating center adjusting structure, wherein one end of the floating center adjusting structure is flexibly connected with the feeding and discharging unit 200, and the other end of the floating center adjusting structure is connected to the truck body support 212; the material inlet and outlet unit 200 includes an outer ring 102 and a sealing tail cover 103 (in the figure, the inner ring is covered by the sealing tail cover 103, so the inner ring is not shown), the circumferential inner wall of the outer ring 102 is rotatably connected with the circumferential outer wall of the inner ring, the sealing tail cover 103 is connected to one end face of the outer ring 102 through connecting bolts distributed in the circumferential direction, and a feed hopper 115 and a discharging mechanism 116 are arranged on one end face of the sealing tail cover 103 opposite to the inner ring and the outer ring 102.

In this embodiment, the adopted floating aligning structure comprises arc-shaped supporting columns 201 located at two sides of a vehicle body support 212 and cross beams 202 fixedly connected to two sides of a sealing tail cover 103, the arc-shaped supporting columns 201 are located outside two sides of the sealing tail cover (103), one end of each cross beam 202 is fixedly connected to one end surface of the sealing tail cover 103, which is back to an inner ring, and the other end of each cross beam is connected with the arc-shaped supporting column 201 through a movable joint 203; as shown in fig. 3, the movable joint 203 includes a pin 204 and pin holes 205 respectively formed in the opposite positions of the cross beam 202 and the arc-shaped supporting column 201, the pin 204 is sequentially movably inserted into the pin holes 205 formed in the opposite positions of the cross beam 202 and the arc-shaped supporting column 201, and the inner diameter of the pin hole 205 is greater than the outer diameter of the pin 204; the pin hole 205 is a waist-shaped hole, and the length and the width of the waist-shaped hole are both larger than the outer diameter of the pin shaft 204; a limiting member 206 is further installed at one end of the pin shaft 204, which penetrates through the pin hole 205 of the arc-shaped supporting column 201, the limiting member 206 may be a transverse pin or other equivalent device, and a gap exists between the limiting member 206 and the lower end surface of the arc-shaped supporting column 201.

In this embodiment, the left and right sides of the rear end of the vehicle body bracket 212 are provided with fixed arc-shaped support columns 201, and the opening, the inner ring and the material inlet and outlet unit 200 of the mixing drum 109 are all positioned between the two arc-shaped support columns 201; the inner ring is fixed on the opening of the mixing drum 109 through a connecting flange, rotates along with the mixing drum 109 and serves as a movable end in the revolving device; the feeding and discharging unit 200 is covered on the inner ring as a fixed whole to seal the mixing drum 109 and prevent evaporation of water and leakage of slurry; when the material inlet and outlet unit 200 does not rotate and serves as a fixed end and the inner ring serves as a movable end to rotate around the axis of the outer ring 102 relative to the mixing drum 109, the sealing tail cover 103 seals the opening of the inner ring all the time through the arranged sealing element to prevent slurry leakage; a feed hopper 115 and a discharge mechanism 116 (typically a discharge port, a discharge cover and a discharge cylinder) of the mixer truck are both arranged on the charging and discharging unit 200; this is the prior art and is not described in detail.

Under the ideal condition, the axial leads of the inner ring and the outer ring 102 are basically coincident, so that excessive fitting and friction damage of the inner ring and the outer ring 102 cannot be caused, and abnormal sound is generated even the rotary device is damaged; however, the position of the inner ring is shifted due to some deformation of the mixing drum 109 in the two states of no load and full load, and the outer ring 102 can be compensated by following the shift of the inner ring by adopting the scheme in the embodiment. The specific action principle is as follows: one end of the beam 202 is fixedly connected to the seal, and the other end is flexibly connected (the flexible connection refers to movement within a certain range) to the arc-shaped supporting column 201; the flexible connection is mainly realized by the movable joint 203 with the direction of the vehicle head as the front, and in the movable joint 203, the pin 204 has a certain movable space in the up-down direction due to the spacing between the limiting part 206 of the pin 204 and the lower end surface of the arc-shaped support column 201; in addition, the inner diameter of the pin shaft 204 is smaller than the length and width of the waist-shaped hole, so that the pin shaft 204 is not completely constrained in the waist-shaped hole, and the pin shaft 204 can move a certain distance back and forth and left and right in the waist-shaped hole, so that the cross beam 202 has a certain moving space in the up-down, left-right and front-back directions; and sealed tail-hood 103 is fixed connection crossbeam 202, outer lane 102 and sealed tail-hood 103 connect into a whole through connecting bolt, whole business turn over material unit 200 is a whole, because the effect of unsteady aligning subassembly, make business turn over material unit 200 not completely immobile for the inner circle, can be from top to bottom, front and back, it compensates to control certain scope of floating, then outer lane 102 can not be overconstrained to the inner circle, make can not produce abnormal sound or even damage slewer because of excessive laminating and friction between outer lane 102 and the inner circle, can play the guard action to whole slewer, guarantee the operation safety, the life of extension fixture.

Example 2

This example is similar to example 1, except that:

in the present embodiment, as shown in fig. 4, the floating self-aligning structure is an elastic compensation assembly 207 respectively connected to two sides of one end of the outer ring 102 close to the vehicle body bracket 212; as shown in fig. 5, the elastic compensation assembly 207 includes a support bracket 208, a resetting device 209 and a support 210, the support bracket 208 is connected to the circumferential outer wall of the outer ring 102, the support 210 is mounted on a vehicle body bracket 212, one end of the resetting device 209 is connected to the support bracket 208, and the other end is connected to the support 210; the resetting device 209 is a stainless steel spring; in this embodiment, one side of the seal tail cover 103 is further connected with the outer ring 102 through a hinge 211, so that the seal tail cover 103 can be opened and the seal can be replaced conveniently.

Alternatively, the elastic compensation assembly 207 supports the entire feeding and discharging unit 200 in the vertical direction, and it can automatically center the outer ring 102 and the entire feeding and discharging unit 200 by the vertical elastic force action of the spring and the flexibility of the spring in the front-rear and left-right directions, and can also stop the circumferential movement of the outer ring 102 due to the circumferential limiting action of the support bracket 208. In other embodiments, the elastic compensation component can also be connected to the left and right sides of the outer ring or the two sides close to the top, that is, one end of the elastic compensation component is connected to the feeding and discharging unit, and the other end is connected to the upper support columns outside the two sides of the feeding and discharging unit; the action principle is the same, and the setting positions are different.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an automatic aligning device of mining trucd mixer gyration, includes automobile body support (212), be used for inner circle and the lid of connection on churn (109) establish including circle and with the feeding and discharging unit (200) that the circumference outer wall of inner circle rotated and connects, its characterized in that still including unsteady aligning structure, unsteady aligning structure one end with feeding and discharging unit (200) flexonics, the other end are connected on automobile body support (212).

2. The mining mixer truck rotary automatic aligning device according to claim 1, wherein the feeding and discharging unit (200) comprises an outer ring (102) and a sealing tail cover (103), a circumferential inner wall of the outer ring (102) is rotatably connected with a circumferential outer wall of the inner ring, the sealing tail cover (103) is connected to one end surface of the outer ring (102) through connecting bolts distributed in the circumferential direction, and a feeding hopper (115) and a discharging mechanism (116) are arranged on one end surface of the sealing tail cover (103) opposite to the inner ring and the outer ring (102).

3. The mining mixer truck rotary automatic aligning device according to claim 2, wherein the floating aligning structure comprises arc-shaped supporting columns (201) located on two sides of the truck body support (212) and cross beams (202) fixedly connected on two sides of the sealing tail cover (103), the arc-shaped supporting columns (201) are located on the outer portions of two sides of the sealing tail cover (103), one end of each cross beam (202) is fixedly connected to one end face, back to the inner ring, of the sealing tail cover (103), and the other end of each cross beam is connected with the arc-shaped supporting column (201) through a movable joint (203).

4. The mining mixer truck rotary automatic aligning device according to claim 3, wherein the movable joint (203) comprises a pin shaft (204) and pin holes (205) respectively formed in opposite positions of the cross beam (202) and the arc-shaped supporting column (201), the pin shaft (204) is sequentially movably arranged in the pin holes (205) formed in opposite positions of the cross beam (202) and the arc-shaped supporting column (201), and the inner diameter of each pin hole (205) is larger than the outer diameter of each pin shaft (204).

5. The mining mixer truck slewing automatic centering device according to claim 4, wherein the pin hole (205) is a kidney-shaped hole, and the length and the width of the kidney-shaped hole are both larger than the outer diameter of the pin shaft (204).

6. The mining mixer truck rotary automatic aligning device according to claim 4, wherein a limiting member (206) is further installed at one end of the pin shaft (204) penetrating through the pin hole (205) on the arc-shaped supporting column (201), and a distance exists between the limiting member (206) and the lower end surface of the arc-shaped supporting column (201).

7. The mining mixer truck slewing self-aligning device according to claim 2, wherein the floating self-aligning structure is an elastic compensation assembly (207) respectively connected to both sides of one end of the outer ring (102) close to the truck body bracket (212).

8. The mining mixer truck slewing self-aligning device according to claim 7, wherein the elastic compensation assembly (207) comprises a support bracket (208), a reset device (209) and a support (210), the support bracket (208) is connected to the circumferential outer wall of the outer ring (102), the support (210) is mounted on the vehicle body bracket (212), one end of the reset device (209) is connected to the support bracket (208), and the other end of the reset device is connected to the support (210).

9. The mining mixer truck slewing self-aligning device according to claim 8, characterized in that the return means (209) is a spring.

10. The mining mixer truck rotary automatic center adjusting device according to claim 9, wherein the spring is a stainless steel spring.