CN112124262A - Assembly system of pump truck rear support leg lower end pin shaft - Google Patents
Assembly system of pump truck rear support leg lower end pin shaft Download PDFInfo
- Publication number
- CN112124262A CN112124262A CN202010904758.3A CN202010904758A CN112124262A CN 112124262 A CN112124262 A CN 112124262A CN 202010904758 A CN202010904758 A CN 202010904758A CN 112124262 A CN112124262 A CN 112124262A
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- China
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- pin shaft
- pump truck
- leg
- assembly system
- limiting sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/22—Means for attaching lifting, supporting, or manoeuvring devices to vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an assembly system of a pin shaft at the lower end of a rear landing leg of a pump truck, which comprises an installation device, a laser centering device and a second limiting sleeve; the mounting device comprises a frame body, a jack and a first limiting sleeve, wherein the first limiting sleeve is arranged at the upper end part of the frame body, the jack is arranged in the frame body and is used for press-mounting a pin shaft at the lower end of the rear leg of the pump truck, and a second limiting sleeve is detachably embedded in the first limiting sleeve and is used for positioning the pin shaft at the lower end of the rear leg of the pump truck; the laser centering device is used for aligning a pin shaft at the lower end of the rear supporting leg of the pump truck positioned on the mounting device and a pin shaft hole of the rear supporting leg of the pump truck. The purpose of the assembly system of the lower end pin shaft of the rear landing leg of the pump truck is to solve the problem of low production efficiency when the lower end pin shaft of the rear landing leg is manually conveyed and assembled.
Description
Technical Field
The invention belongs to the technical field of pump truck assembly, and particularly relates to an assembly system for a pin shaft at the lower end of a rear support leg of a pump truck.
Background
The landing leg is the key component of concrete pump truck, and the back landing leg of most pump trucks is mostly two-stage flexible, and length is about 3m, and the quality of a strip landing leg is about 2t, and structural style is more complicated, must install the landing leg branch earlier during the assembly, then wholly wear into isometric landing leg case completely.
The mounting structures of the rear support legs of the existing pump truck are connected through pin shafts, the rear support legs are connected with an underframe through pin shafts at the upper end and the lower end, the diameter of a mounting pin shaft at the lower end of a rear swing leg of the pump truck with a middle-long arm frame is about phi 150mm, the diameter of the pin shaft is taken as phi 150mm as an example, the mass of the pin shaft is about 45kg, and the pin shaft is difficult to move and fix during mounting; and because the lower end pin shaft is installed from bottom to top, the pin shaft and the shaft sleeve are difficult to align in the installation process, the pin shaft is difficult to adjust and fall off easily because the pin shaft cannot be installed in place at one time, and the safety risk is high.
In view of this, a person skilled in the art needs to provide an assembly system for a lower end pin shaft of a rear support leg of a pump truck to solve the problem of low production efficiency when the lower end pin shaft of the rear support leg is manually transported and assembled.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of low production efficiency when the pin shaft at the lower end of the supporting leg is manually transported and assembled.
(II) technical scheme
The invention provides an assembly system of a pin shaft at the lower end of a rear supporting leg of a pump truck, which comprises an installation device, a laser centering device and a second limiting sleeve;
the mounting device comprises a frame body, a jack and a first limiting sleeve, the first limiting sleeve is arranged at the upper end of the frame body, the jack is arranged in the frame body and used for press-mounting the lower end pin shaft of the rear support leg of the pump truck, and the second limiting sleeve is detachably embedded in the first limiting sleeve and used for positioning the lower end pin shaft of the rear support leg of the pump truck;
the laser centering device is used for aligning the lower end pin shaft of the rear supporting leg of the pump truck and the pin shaft hole of the rear supporting leg of the pump truck positioned on the mounting device.
Furthermore, the telescopic end of the jack penetrates through the second limiting sleeve and is used for being in contact with the lower end face of the lower end pin shaft of the rear support leg of the pump truck.
Further, the bottom of the frame body is provided with a plurality of rollers.
Furthermore, the bottom of the frame body is provided with a locking device for locking the corresponding roller.
Furthermore, a handle is arranged on the outer wall of the frame body.
Furthermore, the frame body is divided into a first layer and a second layer which are distributed up and down through a partition plate, and the jack is placed in the first layer.
Further, the jack is placed at a central position of the first floor.
Furthermore, the assembly system of the lower end pin shaft of the rear support of the pump truck further comprises a multi-stage adjusting pin, one end of the multi-stage adjusting pin is connected to the telescopic end of the jack, and the other end of the multi-stage adjusting pin is connected to the lower end pin shaft of the rear support of the pump truck.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
the invention provides an assembly system of a pin shaft at the lower end of a rear supporting leg of a pump truck, which comprises an installation device, a laser centering device and a second limiting sleeve; the mounting device comprises a frame body, a jack and a first limiting sleeve, wherein the first limiting sleeve is arranged at the upper end part of the frame body, the jack is arranged in the frame body and is used for press-mounting a pin shaft at the lower end of the rear leg of the pump truck, and a second limiting sleeve is detachably embedded in the first limiting sleeve and is used for positioning the pin shaft at the lower end of the rear leg of the pump truck; the laser centering device is used for aligning a pin shaft at the lower end of the rear supporting leg of the pump truck positioned on the mounting device and a pin shaft hole of the rear supporting leg of the pump truck. The mounting device is used for transferring and positioning the mounted pin shaft, the first limiting sleeve and the second limiting sleeve are used for positioning the pin shafts of different specifications to prevent the pin shaft from toppling over, the laser centering device is used for adjusting and centering the pin shaft and the shaft sleeve, and finally, the jack is used for uniformly pressing and mounting the pin shaft in place. The assembly system can effectively reduce the labor intensity of manual carrying and assembly, and greatly improves the installation efficiency of rear supporting leg hoisting; meanwhile, the labor time waste caused by repeated assembly and disassembly during manual centering is avoided, and the abrasion to the copper bush caused by forward press fitting and repeated assembly and disassembly for many times during non-centering is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural left side view of an assembly system of a pin shaft at the lower end of a rear leg of a pump truck according to an embodiment of the present invention;
fig. 2 is a structural front view of an assembly system of a pin shaft at the lower end of a rear leg of a pump truck according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a positioning process of an assembly system of a pin shaft at the lower end of a rear leg of a pump truck according to an embodiment of the present invention;
fig. 4 is a schematic view of an assembly process of an assembly system of a lower end pin shaft of a rear leg of a pump truck according to an embodiment of the present invention.
In the figure:
1. a mounting device; 101. a frame body; 1011. a first layer; 1012. a second layer; 1013. a partition plate; 102. a jack; 103. a first stop collar; 104. a roller; 105. a locking device; 106. a handle; 2. a laser centering device; 3. a second stop collar; 4. a multi-stage adjustment pin; 5. a pin shaft is arranged at the lower end of the rear supporting leg of the pump truck; 6. the rear leg pin shaft hole of the pump truck.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the embodiment of the invention, the assembly system of the pin shaft at the lower end of the rear supporting leg of the pump truck is provided, as shown in fig. 1, and comprises an installation device 1, a laser centering device 2 and a second limiting sleeve 3; the mounting device 1 comprises a frame body 101, a jack 102 and a first limiting sleeve 103, wherein the first limiting sleeve 103 is arranged at the upper end part of the frame body 101, the jack 102 is arranged in the frame body 101 and is used for press-mounting a lower end pin shaft 5 of a rear leg of the pump truck, and a second limiting sleeve 3 is detachably embedded in the first limiting sleeve 103 and is used for positioning the lower end pin shaft 5 of the rear leg of the pump truck; the laser centering device 2 is used for aligning a lower end pin shaft 5 of a rear support leg of the pump truck and a pin shaft hole 6 of the rear support leg of the pump truck which are positioned on the mounting device 1.
In the embodiment, the mounting device 1 is used for transferring and positioning the lower end pin shaft 5 of the rear support leg of the mounted pump truck, the first limiting sleeve 103 and the second limiting sleeve 3 are used for positioning pin shafts with different specifications, the lower end pin shaft 5 of the rear support leg of the pump truck is prevented from toppling, the laser centering device 2 is used for adjusting and centering the lower end pin shaft 5 of the rear support leg of the pump truck and a shaft sleeve, and finally the jack 102 is used for uniformly pressing and mounting the lower end pin shaft 5 of the rear support leg of the pump truck in place; the assembly device can effectively reduce the labor intensity of manual carrying and assembly, and greatly improves the installation efficiency of rear supporting leg hoisting; meanwhile, the labor time waste caused by repeated assembly and disassembly during manual centering is avoided, and the abrasion to the copper bush caused by forward press fitting and repeated assembly and disassembly for many times during non-centering is avoided.
As shown in fig. 3-4, the operation process of the assembly device for the lower end pin shaft of the rear leg of the pump truck comprises the following steps:
1. firstly, a pin shaft 5 at the lower end of a rear leg of a pump truck to be installed is hung in a first limiting sleeve 103 of an installation device 1 by using a traveling crane, and a second limiting sleeve 3 with a corresponding specification is selected for positioning according to different pin shaft specifications, wherein the second limiting sleeve 3 is not fixed with the installation device 1, so that the rapid replacement is convenient;
2. the mounting device 1 is pushed to the position below a pump truck rear support leg pin hole 6 connected with a rear support leg, the laser centering device 2 is placed at the position of the pump truck rear support leg pin hole 6 at the upper end of the underframe, a laser pen is turned on, the position of the mounting device 1 is adjusted until a laser point is located at the center of a pump truck rear support leg lower end pin shaft 5, and then the position of the mounting device 1 is fixed;
3. after the upper end pin shaft is installed, the jack 102 is placed in an operation area of the installation device 1, the multistage adjusting pin 4 is matched with the jack 102 according to actual conditions to uniformly press and install the lower end pin shaft 5 of the rear support leg of the pump truck in place, and the installation of the lower end pin shaft 5 of the rear support leg of the pump truck is completed.
In some alternative embodiments, the telescopic end of the jack 102 is inserted into the second stop collar 3 and is used for contacting with the lower end surface of the lower end pin 5 of the rear leg of the pump truck. The lower end pin shaft 5 of the rear support leg of the pump truck is lifted by operating the jack 102, and the second limiting sleeve 3 is used for positioning the lower end pin shaft 5 of the rear support leg of the pump truck to prevent the lower end pin shaft 5 of the rear support leg of the pump truck from toppling.
In some alternative embodiments, the bottom of the frame 101 is provided with a plurality of rollers 104. The arrangement of the rollers 104 can facilitate an operator to move the assembly device for the lower end pin shaft of the rear leg of the pump truck during operation.
In some alternative embodiments, the bottom of the frame 101 is provided with a locking device 105 for locking the corresponding roller 104. Locking device 105 belongs to the conventional device in this field, and it is not repeated here, can specifically refer to utility model patent with application number CN201420670268.1, and locking device 105 is used for when laser centering device 2's laser point is located round pin axle positive center department, dies the gyro wheel 104 lock of installation device 1, prevents that installation device 1 from taking place to remove, has ensured that pump truck back leg lower extreme round pin axle 5 is centered with the axle sleeve all the time among the assembly process.
In some alternative embodiments, the outer wall of the frame 101 is provided with a handle 106. The handle 106 facilitates the movement of the mounting device 1 by the operator.
In some alternative embodiments, the frame 101 is divided into a first layer 1011 and a second layer 1012 by a partition 1013, and the jack 102 is placed in the first layer 1011. Specifically, the first layer 1011 serves as an operation space for the jack 102, facilitating the operation of the jack 102; the second layer 1012 may be used for placing tools, corresponding to a tool box, making efficient use of the space of the frame 101.
In some alternative embodiments, the jack 102 is placed in a central position on the first layer 1011. The jack 102 is placed in such a position as to better align the lower end pin 5 of the rear leg of the pump truck with the shaft sleeve.
In some optional embodiments, as shown in fig. 2, the assembly system for the lower end pin shaft of the rear leg of the pump truck further comprises a multi-stage adjusting pin 4, one end of the multi-stage adjusting pin 4 is connected to the telescopic end of the jack 102, and the other end of the multi-stage adjusting pin 4 is connected to the lower end pin shaft 5 of the rear leg of the pump truck. The multi-stage adjusting pin 4 is used for matching with the jack 102 to realize uniform lifting of the lower end pin shaft 5 of the rear leg of the pump truck so as to facilitate press fitting in place.
Compared with the prior art, the assembling device has the following advantages:
1. the mounting device is used for transferring, positioning and adjusting the lower end pin shaft, so that the labor intensity of manual carrying and assembling can be effectively reduced, and the mounting efficiency of rear supporting leg hoisting is greatly improved;
2. the customs clearance laser centering device can quickly determine the centering of the lower end pin shaft and the center of the shaft sleeve, so that the waste of labor time caused by repeated assembly and disassembly during manual centering is avoided, and the abrasion of a copper bush caused by forward press mounting and repeated assembly and disassembly when the centering is not performed is avoided;
3. the operating area of this device has the baffle protection in installation device's centre, top, has avoided in the operation process lower extreme round pin axle to drop and has injures operating personnel and part by a crashing object, has greatly improved the security of installation operation.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An assembly system for a pin shaft at the lower end of a rear leg of a pump truck is characterized by comprising a mounting device (1), a laser centering device (2) and a second limiting sleeve (3);
the mounting device (1) comprises a frame body (101), a jack (102) and a first limiting sleeve (103), the first limiting sleeve (103) is arranged at the upper end part of the frame body (101), the jack (102) is arranged in the frame body (101) and used for press-mounting a lower end pin shaft (5) of the rear support leg of the pump truck, and the second limiting sleeve (3) is detachably embedded in the first limiting sleeve (103) and used for positioning the lower end pin shaft (5) of the rear support leg of the pump truck;
the laser centering device (2) is used for aligning the lower end pin shaft (5) of the rear supporting leg of the pump truck and the pin shaft hole (6) of the rear supporting leg of the pump truck which are positioned on the mounting device (1).
2. The assembly system of the lower end pin shaft of the rear leg of the pump truck as claimed in claim 1, wherein the telescopic end of the jack (102) is inserted into the second stop collar (3) and is used for contacting with the lower end face of the lower end pin shaft (5) of the rear leg of the pump truck.
3. The assembly system for the lower end pin shafts of the rear support legs of the pump truck as claimed in claim 1, wherein the bottom of the frame body (101) is provided with a plurality of rollers (104).
4. The assembly system of the lower end pin shaft of the rear leg of the pump truck as claimed in claim 3, wherein the bottom of the frame body (101) is provided with a locking device (105) for locking the corresponding roller (104).
5. The assembly system for the lower end pin shaft of the rear leg of the pump truck as claimed in claim 3, wherein the outer wall of the frame body (101) is provided with a handle (106).
6. The assembly system of the lower end pin shaft of the rear leg of the pump truck as claimed in claim 1, wherein the frame body (101) is divided into a first layer (1011) and a second layer (1012) which are distributed up and down by a partition plate (1013), and the jack (102) is placed in the first layer (1011).
7. The assembly system of the lower end pin shaft of the rear leg of the pump truck as claimed in claim 6, wherein the jack (102) is placed at a central position of the first layer (1011).
8. The assembly system of the lower end pin shaft of the rear leg of the pump truck as claimed in claim 1, further comprising a multi-stage adjusting pin (4), wherein one end of the multi-stage adjusting pin (4) is connected to the telescopic end of the jack (102), and the other end of the multi-stage adjusting pin (4) is connected to the lower end pin shaft (5) of the rear leg of the pump truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904758.3A CN112124262A (en) | 2020-09-01 | 2020-09-01 | Assembly system of pump truck rear support leg lower end pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904758.3A CN112124262A (en) | 2020-09-01 | 2020-09-01 | Assembly system of pump truck rear support leg lower end pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112124262A true CN112124262A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010904758.3A Pending CN112124262A (en) | 2020-09-01 | 2020-09-01 | Assembly system of pump truck rear support leg lower end pin shaft |
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| Country | Link |
|---|---|
| CN (1) | CN112124262A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020125662A1 (en) * | 2000-08-29 | 2002-09-12 | Annop Magness | Combination lifting, platform, handtruck, scaffold, floorjack and mechanic cleeper |
| CN201049877Y (en) * | 2007-06-01 | 2008-04-23 | 长春轨道客车股份有限公司 | Mobile center pin positioning crane |
| CN203450106U (en) * | 2013-07-31 | 2014-02-26 | 广州电力机车有限公司 | Rear axle lifting tool of electric wheel dumper |
| CN207192689U (en) * | 2017-08-04 | 2018-04-06 | 江门市南洋船舶工程有限公司 | A kind of mobile jacking apparatus |
| CN208729677U (en) * | 2018-08-27 | 2019-04-12 | 中国水利水电第八工程局有限公司 | Pin shaft dismounting device for derrick crane |
-
2020
- 2020-09-01 CN CN202010904758.3A patent/CN112124262A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020125662A1 (en) * | 2000-08-29 | 2002-09-12 | Annop Magness | Combination lifting, platform, handtruck, scaffold, floorjack and mechanic cleeper |
| CN201049877Y (en) * | 2007-06-01 | 2008-04-23 | 长春轨道客车股份有限公司 | Mobile center pin positioning crane |
| CN203450106U (en) * | 2013-07-31 | 2014-02-26 | 广州电力机车有限公司 | Rear axle lifting tool of electric wheel dumper |
| CN207192689U (en) * | 2017-08-04 | 2018-04-06 | 江门市南洋船舶工程有限公司 | A kind of mobile jacking apparatus |
| CN208729677U (en) * | 2018-08-27 | 2019-04-12 | 中国水利水电第八工程局有限公司 | Pin shaft dismounting device for derrick crane |
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Application publication date: 20201225 |
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| RJ01 | Rejection of invention patent application after publication |