CN218400523U - Concatenation auto-lock travelling bogie - Google Patents
Concatenation auto-lock travelling bogie Download PDFInfo
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- CN218400523U CN218400523U CN202222383732.6U CN202222383732U CN218400523U CN 218400523 U CN218400523 U CN 218400523U CN 202222383732 U CN202222383732 U CN 202222383732U CN 218400523 U CN218400523 U CN 218400523U
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Abstract
The utility model relates to a railway maintenance equipment technical field, concretely relates to concatenation auto-lock travelling bogie, including concatenation frame and walking shape wheelset, the concatenation frame is formed by front frame and the concatenation of back frame, the front end both sides of back frame are fixed with the wedge, the rear end both sides of front frame are equipped with the quad slit that is used for the wedge inserts, the top rear end of front frame with the top front end of back frame passes through the hasp and connects; the walking wheel sets are arranged on two sides of the front end of the bottom of the front frame and two sides of the rear end of the bottom of the rear frame. The utility model is formed by splicing the front frame and the rear frame made of aluminum alloy, thereby greatly reducing the weight and being convenient to carry; the wheel can be prevented from falling off the steel rail; the self-locking brake system can be formed by using the self weight of the brake deflector rod according to the lever principle.
Description
Technical Field
The utility model relates to a railway maintenance of equipment technical field, concretely relates to concatenation auto-lock travelling bogie.
Background
Each maintenance unit of the railway is provided with a self-made simple trolley which is used for carrying material machines and tools to push along the line during operation and construction. At present, the simple trolley is mostly assembled and welded into a whole by using steel pipes, and is difficult to carry on and off roads; when pushed to cross a turnout and a curve, the vehicle is easy to overturn. The simple trolley is not provided with a brake system or the brake system needs manual operation to realize functions. In the actual operation process, when parking in a slope region, the phenomenon of vehicle sliding is often caused by the carelessness of operators or the operation of a brake system, so that the safety of the operators is influenced.
Just based on above-mentioned reason, the utility model designs a concatenation auto-lock travelling bogie.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, adapt to the practical needs, and provide a splicing self-locking transport trolley, wherein a splicing frame is formed by splicing a front frame and a rear frame of aluminum alloy, the weight is greatly reduced, and the carrying is convenient; the wheel can be prevented from falling off the steel rail; the self-locking brake system can be formed by utilizing the dead weight of the brake deflector rod according to the lever principle.
In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:
the spliced self-locking transport trolley comprises a spliced frame and a walking wheel set, wherein the spliced frame is formed by splicing a front frame and a rear frame, wedge blocks are fixed on two sides of the front end of the rear frame, square holes for the wedge blocks to insert are formed in two sides of the rear end of the front frame, and the rear end of the top of the front frame is connected with the front end of the top of the rear frame through a buckle; the walking wheel sets are arranged on two sides of the front end of the bottom of the front frame and two sides of the rear end of the bottom of the rear frame.
The front frame and the rear frame are of square frame structures formed by surrounding longitudinal square tubes and transverse square tubes, the wedge-shaped block is of a square structure, the rear end of the wedge-shaped block is riveted with the inner walls of the longitudinal square tubes on the two sides of the rear frame, and the front end of the wedge-shaped block is of a quadrangular frustum structure with the cross section width gradually increasing from the front end to the rear end; the front end of the wedge block can be inserted into square holes at the rear ends of the longitudinal square tubes on two sides of the front frame.
The walking wheel set comprises fixed plates, connecting plates, wheel shafts, walking wheels and fixed wheel rims, the tops of the fixed plates are fixed to two sides of the front end of the bottom of the front frame and two sides of the rear end of the bottom of the rear frame, the top ends of the two connecting plates are connected with two sides of the bottom of the fixed plates, shaft holes for the wheel shafts to penetrate through are formed below the outer walls of the connecting plates and in the axial direction of the walking wheels, the fixed wheel rims are fixed to the inner walls of the walking wheels, and the outer diameters of the fixed wheel rims are larger than the outer diameters of the walking wheels.
A sliding wheel flange is arranged between the walking wheel and the connecting plate at the outer end, the sliding wheel flange is of a square structure, and a through hole for the wheel shaft to pass through is formed above the outer wall of the sliding wheel flange.
A brake system is arranged above the walking wheels on two sides of the bottom of the front frame, the brake system comprises a brake fixing plate, a spring piece, a brake movable plate, a flat-head bolt and a brake belt, the top end of the brake fixing plate is fixed at the rear end of the bottom of the fixing plate, and the bottom end of the brake fixing plate is positioned behind the walking wheels; the top end of the brake movable plate is connected with the self-locking mechanism and can drive the brake movable plate to move along the vertical direction, and the bottom end of the brake movable plate is positioned in front of the walking wheel; the spring piece is of an upward convex arc-shaped structure, and the front end and the rear end of the spring piece are respectively connected with the lower part of the rear wall of the brake movable plate and the lower part of the front wall of the brake fixed plate through the flat-head bolts; the middle of the lower surface of the spring piece is provided with the brake band.
The self-locking mechanism comprises brake connecting rods, connecting rod mounting blocks, a brake driving lever and a trolley push rod, the top ends of the two connecting rod mounting blocks are fixed on two sides of the front wall of a transverse square tube of the front frame, the inner wall of the bottom end of each connecting rod mounting block is hinged with the outer wall of each brake connecting rod through a first pin shaft, the outer end of each brake connecting rod is hinged with the upper part of the front wall of the corresponding brake movable plate through a second pin shaft, the distance between each connecting rod mounting block and the outer end of each brake connecting rod is smaller than the distance between each connecting rod mounting block and the inner end of each brake connecting rod, and a gap is formed between the inner ends of the two brake connecting rods; the middle part of the front wall of the transverse square tube is fixedly provided with two hinged plates, the lower parts of the inner walls of the hinged plates are hinged with the lower part of the side wall of the brake driving lever through a third pin shaft, and the top end of the brake driving lever is hinged with the bottom end of the trolley push rod.
A limiting block is arranged between the connecting rod mounting block and the brake shifting lever, the top end of the limiting block is connected with the front wall of the transverse square pipe, and the lower part of the rear wall of the limiting block is in contact with the front wall of the brake connecting rod.
The spliced frame is made of aluminum alloy pipes.
The beneficial effects of the utility model reside in that:
the utility model is formed by splicing the front frame and the rear frame which are made of aluminum alloy, thereby greatly reducing the weight and being convenient to carry;
the utility model discloses one side of walking shape wheel is equipped with fixed rim, and the opposite side is equipped with and can winds shaft pivoted slip rim, when crossing regions such as bend, switch, can lift around the axletree after the slip rim meets obstacles such as bolt, heart rail, does not influence current. If the vehicle deviates and a overturning trend is generated, the sliding wheel flange and the fixed wheel flange of the wheel can respectively clamp two sides of the rail head of the steel rail to prevent the wheel from separating from the steel rail and overturning;
the utility model discloses can utilize the brake driving lever dead weight and form from locking-type braking system according to lever principle, during operation personnel pulling dolly push rod 10, the dolly is in the driving state. After the hand is loosened, the trolley push rod 10 lands due to self weight, so that the inner end of the brake shift lever 9 is driven to move upwards, the outer end of the brake shift lever 9 rotates downwards around the first pin shaft at the connecting rod mounting block 7, the brake movable plate 53 is driven to move downwards, and the brake belt 55 brakes the walking wheel 34. Thereby achieving the self-locking state of locking when the hand is loose. The self-locking and unlocking are simple, and the self-locking can be realized when the hand is loosened, so that the traditional braking mode or the possible human negligence can be avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of a braking state of the middle brake system of the present invention;
FIG. 4 is a schematic view of the released state of the middle brake system of the present invention;
fig. 5 is a front view of the present invention;
fig. 6 is a partially enlarged view of fig. 5.
In the figure, a splicing frame 1, a wedge block 2, a walking wheel group 3, a sliding wheel flange 4, a braking system 5, a braking connecting rod 6, a connecting rod mounting block 7, a limiting block 8, a braking deflector rod 9, a trolley push rod 10, a front frame 11, a rear frame 12, a longitudinal square tube 13, a transverse square tube 14, a fixed plate 31, a connecting plate 32, a wheel shaft 33, a walking wheel 34, a fixed wheel flange 35, a brake fixed plate 51, a spring plate 52, a brake movable plate 53, a flat head bolt 54 and a brake band 55.
Detailed Description
The invention will be further described with reference to the following figures and examples:
example (b): a splicing self-locking transport trolley is disclosed, referring to figures 1-6, and comprises a splicing frame 1 and a walking wheel group 3, wherein the splicing frame 1 is formed by splicing a front frame 11 and a rear frame 12, and the front frame 11 and the rear frame 12 are both aluminum alloy frames, so that the weight is greatly reduced, and the carrying is convenient;
further, as shown in fig. 1, in an embodiment, the front frame 11 and the rear frame 12 are square frame structures surrounded by longitudinal square tubes 13 and transverse square tubes 14, specifically, the front frame 11 is a '21274', which is composed of a transverse square tube 14 at the front end and two longitudinal square tubes 13 at the two sides, a third longitudinal square tube 13 is connected to the middle of the rear wall of the transverse square tube 14, a shorter transverse square tube 14 is connected between the rear ends of the inner walls of two adjacent longitudinal square tubes 13, and finally, a longitudinal square tube 13 is arranged between the adjacent longitudinal square tubes 13 at intervals; the rear frame 12 and the front frame 11 are arranged in a mirror image mode, then the rear end of the wedge block 2 is inserted into front end openings of the longitudinal square tubes 13 on the two sides of the rear frame 12 and is riveted with the front end openings, when the front frame 11 and the rear frame 12 need to be spliced, the front end of the wedge block 2 is inserted into rear end square holes of the longitudinal square tubes 13 on the two sides of the front frame 11, and the inserted wedge block 2 can improve the structural strength of the joint of the spliced trolley; and finally, the rear end of the top of the front frame 11 is connected with the front end of the top of the rear frame 12 through a hasp, the hasp is the prior art, and the structure is not described any more.
Further, the front end of the wedge block 2 forms a quadrangular frustum pyramid structure with the cross section width gradually increasing from the front end to the rear end, so that the wedge block 2 can be conveniently inserted into the rear end square holes of the longitudinal square tubes 13 at the two sides of the front frame 11.
Further, as shown in fig. 6, the walking wheel set 3 includes a fixing plate 31, connecting plates 32, a wheel shaft 33, walking wheels 34 and fixing flanges 35, the top of the fixing plate 31 is fixed on both sides of the front end of the bottom of the front frame 11 and both sides of the rear end of the bottom of the rear frame 12, the top ends of the two connecting plates 32 are connected with both sides of the bottom of the fixing plate 31, shaft holes for the wheel shaft 33 to pass through are arranged below the outer walls of the connecting plates 32 and in the axial direction of the walking wheels 34, the fixing flanges 35 are fixed on the inner walls of the walking wheels 34, the outer diameters of the fixing flanges are larger than the outer diameters of the walking wheels 34, and the inner ends of the walking wheels 34 are connected with the fixing flanges 35 to prevent derailment.
Furthermore, a sliding wheel flange 4 is arranged between the walking wheel 34 and the connecting plate 32 at the outer end, the sliding wheel flange 4 is of a square structure, a through hole for the wheel shaft 33 to pass through is formed in the upper portion of the outer wall of the sliding wheel flange 4, namely, the upper portion of the outer wall of the sliding wheel flange 4 is sleeved outside the wheel shaft 33, when the walking vehicle passes through a bend, a turnout and other areas, the sliding wheel flange 4 can be lifted around the wheel shaft 33 after encountering obstacles such as bolts, center rails and the like, and the passing vehicle is not influenced; if the vehicle deviates and the overturning trend is generated, the sliding flange 4 and the fixed flange 35 of the walking wheel 34 can respectively clamp the two sides of the rail head of the rail, so as to prevent the walking wheel 34 from separating from the rail and overturning.
Further, as shown in fig. 3 and 4, a braking system 5 is arranged above the traveling wheels 34 on both sides of the bottom of the front frame 11, the braking system 5 includes a brake fixing plate 51, a spring plate 52, a brake movable plate 53, a flat head bolt 54 and a brake band 55, the top end of the brake fixing plate 51 is fixed to the bottom rear end of the fixing plate 31, and the bottom end thereof is located behind the traveling wheels 34; the top end of the movable brake plate 53 is connected with a self-locking mechanism and can drive the movable brake plate 53 to move along the vertical direction, and the bottom end of the movable brake plate 53 is positioned in front of the walking wheel 34; the spring piece 52 is in an upward convex arc-shaped structure, and the front end and the rear end of the spring piece are respectively connected with the lower part of the rear wall of the brake movable plate 53 and the lower part of the front wall of the brake fixed plate 51 through the flat-head bolt 54; the brake band 55 is arranged in the middle of the lower surface of the spring piece 52, the spring piece 52 is fixed between the brake fixing plate 51 and the brake fixing plate 53, the brake band 55 is connected to the bottom of the spring piece 52, and when the self-locking mechanism drives the brake movable plate 53 to move downwards, the brake band 55 can be driven to move downwards to brake the walking wheel 34.
Further, as shown in fig. 1 and 5, the self-locking mechanism includes brake connecting rods 6, connecting rod mounting blocks 7, a brake shift lever 9 and a trolley push rod 10, the top ends of the two connecting rod mounting blocks 7 are fixed on two sides of the front wall of the transverse square tube 14 of the front frame 11, the inner walls of the bottom ends of the two connecting rod mounting blocks 7 are hinged to the outer wall of the brake connecting rod 6 through first pin shafts, the outer end of the brake connecting rod 6 is hinged to the upper part of the front wall of the brake movable plate 53 through a second pin shaft, the distance between the connecting rod mounting block 7 and the outer end of the brake connecting rod 6 is smaller than the distance between the connecting rod mounting block 7 and the inner end of the brake connecting rod 6, and a gap is formed between the inner ends of the two brake connecting rods 6; two hinged plates are fixed in the middle of the front wall of the transverse square tube 14, the lower portions of the inner walls of the two hinged plates are hinged with the lower portion of the side wall of the brake driving lever 9 through a third pin shaft, the top end of the brake driving lever 9 is hinged with the bottom end of the trolley push rod 10, and a self-locking brake system is formed by the aid of the self weight of the brake driving lever 9 through the lever principle. When the operator pulls the trolley push rod 10, the trolley is in a driving state. After the hand is loosened, the trolley push rod 10 lands due to self weight, so that the inner end of the brake shift lever 9 is driven to move upwards, the outer end of the brake shift lever 9 rotates downwards around the first pin shaft at the connecting rod mounting block 7, the brake movable plate 53 is driven to move downwards, and the brake belt 55 brakes the walking wheel 34. Thereby achieving the self-locking state of locking when the hand is loose. The self-locking and unlocking are simple, and the self-locking can be realized when the hand is loosened, so that the traditional braking mode or the possible human negligence can be avoided.
Furthermore, a limiting block 8 is arranged between the connecting rod mounting block 7 and the brake shift lever 9, the top end of the limiting block 8 is connected with the front wall of the transverse square tube 14, the lower portion of the rear wall of the limiting block is in contact with the front wall of the brake connecting rod 6, and the longer end of the brake connecting rod 6 can be limited by the limiting block 8.
The working principle is as follows: in the braking system 5, the braking band 55 is riveted on the spring leaf 52, the top end of the braking fixing plate 51 is welded on the fixing plate 31 of the walking wheel set 3, so that the spring leaf 52 riveted on the lower end of the front end of the braking fixing plate 51 and one end of the braking band 55 are fixed, and the spring leaf 52 on the other end is riveted below the rear wall of the braking movable plate 53. The upper part of the outer wall of the brake movable plate 53 is connected to the outer end of the brake connecting rod 6 through a bolt, and the hole of the brake connecting rod 6 can rotate around the connecting rod mounting block 7 through a second pin shaft. When the brake connecting rod 6 is not influenced by the brake shift lever 9, the brake connecting rod is influenced by self gravity and the lever principle. The inner end of the brake connecting rod 6 close to the brake shift lever 9 droops due to the long arm and the large mass, and drives the brake movable plate 53 at the outer end of the brake connecting rod 6 to lift up, thereby driving the brake belt 55 to lift up, and the travelling wheel 34 is in a movable state.
When the trolley push rod 10 rotates, the brake deflector rod 9 can be driven to rotate by the pin shaft. When the trolley needs to move, no matter the trolley is pushed or pulled through the trolley push rod 10, when the trolley push rod 10 rotates to any angle 0 to 180 degrees when the trolley needs to be pulled from the trolley platform, the brake deflector rod 9 slowly rotates to slowly lift the inner end of the brake connecting rod 6 to drive the brake movable plate 53 at the outer end of the brake connecting rod 6 to slowly fall down, the brake belt 55 approaches the walking wheel 34, but the walking wheel 34 is not locked.
When braking is needed, a person breaks away from the trolley push rod 10, so that the person continuously falls under the influence of gravity, drives the brake shift lever 9 to continuously lift, continuously presses the brake movable plate 53 according to the lever principle, and finally causes the brake band 55 to brake the walking wheel 34, thereby forming a self-locking state of the trolley.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above-mentioned embodiment, and make different applications and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a concatenation auto-lock travelling bogie, includes concatenation frame and walking shape wheelset, its characterized in that: the splicing frame is formed by splicing a front frame and a rear frame, wedge blocks are fixed on two sides of the front end of the rear frame, square holes for the wedge blocks to insert are formed in two sides of the rear end of the front frame, and the rear end of the top of the front frame is connected with the front end of the top of the rear frame through hasps; the walking wheel sets are arranged on two sides of the front end of the bottom of the front frame and two sides of the rear end of the bottom of the rear frame.
2. The splicing self-locking transport trolley according to claim 1, characterized in that: the front frame and the rear frame are of square structures surrounded by longitudinal square tubes and transverse square tubes, the wedge-shaped block is of a square structure, the rear end of the wedge-shaped block is riveted with the inner walls of the longitudinal square tubes on the two sides of the rear frame, and the front end of the wedge-shaped block is of a quadrangular frustum structure with the cross section width gradually increasing from the front end to the rear end; the front end of the wedge block can be inserted into square holes in the rear ends of the longitudinal square tubes on two sides of the front frame.
3. The splicing self-locking transport trolley according to claim 2, wherein: the walking wheel set comprises fixed plates, connecting plates, wheel shafts, walking wheels and fixed wheel rims, the tops of the fixed plates are fixed to two sides of the front end of the bottom of the front frame and two sides of the rear end of the bottom of the rear frame, the top ends of the two connecting plates are connected with two sides of the bottom of the fixed plates, shaft holes for the wheel shafts to penetrate through are formed below the outer walls of the connecting plates and in the axial direction of the walking wheels, the fixed wheel rims are fixed to the inner walls of the walking wheels, and the outer diameters of the fixed wheel rims are larger than the outer diameters of the walking wheels.
4. The spliced self-locking transport trolley according to claim 3, characterized in that: and a sliding wheel flange is arranged between the walking wheel and the connecting plate at the outer end of the walking wheel, the sliding wheel flange is of a square structure, and a through hole for the wheel shaft to pass through is formed above the outer wall of the sliding wheel flange.
5. The spliced self-locking transport trolley according to claim 4, characterized in that: a brake system is arranged above the walking wheels on two sides of the bottom of the front frame, the brake system comprises a brake fixing plate, a spring piece, a brake movable plate, a flat-head bolt and a brake belt, the top end of the brake fixing plate is fixed at the rear end of the bottom of the fixing plate, and the bottom end of the brake fixing plate is positioned behind the walking wheels; the top end of the brake movable plate is connected with the self-locking mechanism and can drive the brake movable plate to move along the vertical direction, and the bottom end of the brake movable plate is positioned in front of the walking wheel; the spring piece is of an upward convex arc-shaped structure, and the front end and the rear end of the spring piece are respectively connected with the lower part of the rear wall of the brake movable plate and the lower part of the front wall of the brake fixed plate through the flat-head bolts; the middle of the lower surface of the spring piece is provided with the brake band.
6. The splicing self-locking transport trolley according to claim 5, wherein: the self-locking mechanism comprises brake connecting rods, connecting rod mounting blocks, a brake driving lever and a trolley push rod, the top ends of the two connecting rod mounting blocks are fixed on two sides of the front wall of a transverse square tube of the front frame, the inner wall of the bottom end of each connecting rod mounting block is hinged with the outer wall of each brake connecting rod through a first pin shaft, the outer end of each brake connecting rod is hinged with the upper part of the front wall of the corresponding brake movable plate through a second pin shaft, the distance between each connecting rod mounting block and the outer end of each brake connecting rod is smaller than the distance between each connecting rod mounting block and the inner end of each brake connecting rod, and a gap is formed between the inner ends of the two brake connecting rods; two hinged plates are fixed in the middle of the front wall of the transverse square tube, the lower portions of the inner walls of the two hinged plates are hinged with the lower portion of the side wall of the brake driving lever through a third pin shaft, and the top end of the brake driving lever is hinged with the bottom end of the trolley push rod.
7. The splicing self-locking transport trolley according to claim 6, wherein: a limiting block is arranged between the connecting rod mounting block and the brake shifting lever, the top end of the limiting block is connected with the front wall of the transverse square pipe, and the lower part of the rear wall of the limiting block is in contact with the front wall of the brake connecting rod.
8. The spliced self-locking transport trolley according to claim 7, characterized in that: the spliced frame is made of aluminum alloy pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222383732.6U CN218400523U (en) | 2022-09-08 | 2022-09-08 | Concatenation auto-lock travelling bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222383732.6U CN218400523U (en) | 2022-09-08 | 2022-09-08 | Concatenation auto-lock travelling bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218400523U true CN218400523U (en) | 2023-01-31 |
Family
ID=85029627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222383732.6U Active CN218400523U (en) | 2022-09-08 | 2022-09-08 | Concatenation auto-lock travelling bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218400523U (en) |
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2022
- 2022-09-08 CN CN202222383732.6U patent/CN218400523U/en active Active
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