CN214532756U - Ladder car walking anti-toppling device - Google Patents
Ladder car walking anti-toppling device Download PDFInfo
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- CN214532756U CN214532756U CN202022791491.XU CN202022791491U CN214532756U CN 214532756 U CN214532756 U CN 214532756U CN 202022791491 U CN202022791491 U CN 202022791491U CN 214532756 U CN214532756 U CN 214532756U
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- shaped linkage
- walking
- ladder car
- linkage shaft
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Abstract
The utility model discloses a ladder car walking anti-toppling device is used in the electric railway industry. The device comprises a main body part, a control connecting rod part and a walking part; the main body part comprises a shell, a ladder car connecting bolt, a fixing cap and a ladder car connecting plate; the control connecting rod part comprises an eccentric wheel operating rod, an operating rod penetrating pin, a T-shaped linkage rod, an L-shaped linkage shaft rod, a stroke spring, an L-shaped linkage shaft rod fixing pin and an L-shaped linkage shaft rod movable pin; the walking part comprises a walking wheel shaft rod, a side guide wheel, a walking wheel shaft fixing nut, a walking wheel fixing block bolt and a walking wheel fixing block. The utility model discloses simple structure, convenient operation, ladder car have guaranteed that ladder car can not empty because of having the solid effect of card between the device and rail in the implementation, also can reduce the ladder car and rock serious problem when using simultaneously, improve ladder car upper portion operation personnel's operating condition, and are smooth and easy when guaranteeing ladder car walking.
Description
Technical Field
The utility model relates to a ladder car walking anti-toppling device is used in the electric railway industry.
Background
In the professional construction, overhaul, operation and maintenance work of railway electrification, the ladder car is the most commonly used tool, a constructor stands in an operation platform at the upper part of the ladder car to carry out high-altitude operation, and an assistant worker pushes the ladder car to move forward at the lower part of the ladder car.
In order to ensure the portability and the maneuverability of the ladder truck, the chassis and the body of the ladder truck are composed of a plurality of steel pipe structures, and the structure can generate certain shaking in use, so that the operation stability of the operating personnel on the upper part of the ladder truck can be influenced. The ladder car sways by its superelevation of railway curve outer rail, bridge section, high roadbed section and crosswind section, and the ladder car amplitude of rocking increases and has the risk that the ladder car emptys. This brings great hidden trouble to the operation of the ladder car, endangers the safety of the operators on the upper part and the auxiliary personnel on the lower part of the ladder car.
Based on the problems, the ladder car walking anti-toppling device which is low in cost and capable of improving the use safety of the ladder car is developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ladder car walking anti-toppling device and application method thereof has guaranteed the security that ladder car used, has practiced thrift ladder car and has prevented toppling protection personnel's expense, has avoided the condition of rocking in the ladder car uses, has eliminated the risk that ladder car topples over.
The utility model provides a ladder vehicle walking anti-toppling device, which comprises a main body part, an operation connecting rod part and a walking part; the main body part comprises a shell, a ladder car connecting bolt, a fixing cap and a ladder car connecting plate;
the fixing cap is sleeved on the upper part of the shell and used for fixing the two shells without separation.
The control connecting rod part comprises an eccentric wheel operating rod, an operating rod penetrating pin, a T-shaped linkage rod, an L-shaped linkage shaft rod, a stroke spring, an L-shaped linkage shaft rod fixing pin and an L-shaped linkage shaft rod movable pin. The eccentric wheel operating rod is connected with the T-shaped linkage rod through an operating rod through a pin, the stroke spring is sleeved on the upper portion of the T-shaped linkage rod, the movable pin of the L-shaped linkage shaft rod penetrates through the preformed holes on two sides of the bottom of the T-shaped linkage rod to be connected with the two L-shaped linkage shaft rods, and the T-shaped linkage rod moves up and down due to the compression or extension of the stroke spring and drives the two L-shaped linkage shaft rods at the bottom of the T-shaped linkage rod to swing along the center position of the movable pin of the L-shaped linkage shaft rod;
the walking part comprises a walking wheel shaft rod, a side guide wheel, a walking wheel shaft fixing nut, a walking wheel fixing block bolt and a walking wheel fixing block;
the bottom of the L-shaped linkage shaft lever is connected with two side guide wheels which are positioned at two sides of the steel rail; the walking wheel is located casing bottom intermediate position, with rail direct contact, the walking wheel axostylus axostyle passes behind the walking wheel center preformed hole and is fixed with the walking wheel fixed block, and the walking wheel fixed block is fixed as an organic whole through 4 walking wheel fixed block bolts and casing. And the walking wheel fixing block is fixed at the position of the reserved hole of the shell through a walking wheel fixing block bolt.
Further, the connection relationship of the components is as follows:
the travel spring is sleeved at the upper end of the T-shaped linkage rod, the L-shaped linkage shaft rod is placed in a groove at the lower part of the T-shaped linkage rod and connected into a whole through a movable pin of the L-shaped linkage shaft rod, a bearing is arranged in the side guide wheel, and the side guide wheel is sleeved at the lower end of the L-shaped linkage shaft rod and fastened through a side guide wheel fixing nut.
And the L-shaped linkage shaft lever is fixed by a nut through penetrating the L-shaped linkage shaft lever fixing pin from the shell and the reserved hole of the L-shaped linkage shaft lever.
The two shells are provided with fixing caps screwed on the upper ends of the shells to fasten the two shells; the eccentric wheel operating rod is clamped in a notch at the upper end of the T-shaped linkage rod and penetrates through the reserved hole for fixing by the aid of an operating rod penetrating pin.
The ladder car connecting plate is connected with the corresponding position of the ladder car, fixed on a wheel seat preformed hole of the ladder car chassis and fixed with the ladder car through a ladder car connecting bolt.
The utility model provides an above-mentioned ladder car walking anti-toppling device's application method, including following step:
(1) after internal components (including a T-shaped linkage rod, a stroke spring, an L-shaped linkage shaft rod, a side guide wheel fixing nut, an L-shaped linkage shaft rod fixing pin, an L-shaped linkage shaft rod movable pin, a walking wheel shaft rod, a walking wheel shaft fixing nut, a walking wheel fixing block and a connecting piece of the walking wheel fixing block) are assembled, the internal components are placed into one of the shells, the other shell is buckled with the shells into a whole, and the two shells buckle the components; fixing the walking wheel fixing block at the position of the reserved hole of the shell through a walking wheel fixing block bolt; and the L-shaped linkage shaft lever is fixed by a nut through penetrating the L-shaped linkage shaft lever fixing pin from the shell and the reserved hole of the L-shaped linkage shaft lever.
(2) Screwing a fixing cap to the upper end of the shell, clamping an eccentric wheel operating rod in a notch at the upper end of the T-shaped linkage rod, and penetrating a pin of the operating rod into a reserved hole of the operating rod for fixing;
(3) the side guide wheels are unfolded by pulling the eccentric wheel operating rod (the state shown in the figure 7 is presented); then the ladder car connecting plate and the ladder car chassis are fixed into a whole through the ladder car connecting bolt, and the side guide wheel and the steel rail are clamped and fixed by pulling the eccentric wheel operating rod, so that the ladder car and the steel rail are clamped and fixed. Thereby guarantee the stable connection between ladder car and rail, when guaranteeing that the ladder car can carry out the use, restricted rocking about the ladder car again, reduced the risk that the ladder car emptys.
When the ladder car passes through a turnout area or other barriers tightly attached to a steel rail, the eccentric wheel operating rod is pulled to unfold the side guide wheel, and after the ladder car is pushed through the affected area, the eccentric wheel operating rod is pulled to clamp the side guide wheel with the steel rail again.
The utility model has the advantages that:
(1) the utility model has simple structure and convenient operation, is suitable for all the ladder cars in the current market, can eliminate the risk of falling of the ladder cars after being used, and ensures the safety of the pushing operation of the ladder cars;
(2) the ladder car is prevented from toppling due to the clamping effect between the device and the steel rail in the pushing process of the ladder car, the problem that the ladder car shakes seriously when in use can be reduced, and the operating conditions of operating personnel on the upper part of the ladder car are improved;
(3) during the ladder car is carried, realize the sliding contact of ladder car and rail through the rotation of walking wheel, it is smooth and easy when guaranteeing the ladder car walking.
Drawings
Fig. 1 is an overall front view of the walking anti-toppling device for a ladder truck of the utility model;
FIG. 2 is a front sectional view of FIG. 1 (side guide wheels clamped to rails);
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a top view of FIG. 2;
FIG. 6 is a right side view of FIG. 2;
FIG. 7 is a sectional front view of the side guide of FIG. 1 shown disengaged from the rail;
FIG. 8 is a three-view of a T-shaped linkage rod;
FIG. 9 is a three-view illustration of the L-shaped linkage shaft and side guide wheel connection;
fig. 10 is a bottom view of the connection of the L-shaped link shaft and the side guide.
In the figure: the device comprises 1-an eccentric wheel operating rod, 2-an operating rod penetrating pin, a 3-T-shaped linkage rod, 4-a shell, 5-a ladder car connecting bolt, 6-L-shaped linkage shaft rod, 7-a walking wheel shaft rod, 8-a side guide wheel, 9-a walking wheel, 10-a walking wheel shaft fixing nut, 11-a stroke spring, 12-a fixing cap, 13-L-shaped linkage shaft rod fixing pins, 14-a fixing cap thread, 15-a walking wheel fixing block bolt, 16-a walking wheel fixing block, 17-steel rails, 18-a ladder car connecting plate, 19-L-shaped linkage shaft rod movable pins and 20-a side guide wheel fixing nut.
Detailed Description
The present invention is further illustrated by, but is not limited to, the following examples.
Example 1:
as shown in figures 1-10, a walking anti-toppling device for a ladder truck comprises a main body part, a control connecting rod part and a walking part; the main body part comprises a shell 4, a ladder car connecting bolt 5, a fixing cap 12 and a ladder car connecting plate 18; the fixing cap 12 is used for being sleeved on the upper part of the shell 4 and fixing the two shells 4 without separation.
The control connecting rod part comprises an eccentric wheel operating rod 1, an operating rod penetrating pin 2, a T-shaped linkage rod 3, an L-shaped linkage shaft rod 6, a stroke spring 11, an L-shaped linkage shaft rod fixing pin 13 and an L-shaped linkage shaft rod movable pin 19. The eccentric wheel operating rod 1 is connected with the T-shaped linkage rod 3 through an operating rod through pin 2, a stroke spring 11 is arranged on the outer side of the lower part of the T-shaped linkage rod 3, the bottom of the T-shaped linkage rod 3 is connected with an L-shaped linkage shaft rod 6, and the L-shaped linkage shaft rod 6 can rotate under the action of the stroke spring 11;
the walking part comprises a walking wheel shaft rod 7, a side guide wheel 8, a walking wheel 9, a walking wheel shaft fixing nut 10, a walking wheel fixing block bolt 15 and a walking wheel fixing block 16;
the bottom of the L-shaped linkage shaft lever 6 is connected with two side guide wheels 8, and the two side guide wheels 8 are positioned on two sides of the steel rail; the walking wheel is located the casing bottom intermediate position, with rail direct contact, walking wheel axostylus axostyle 7 passes behind the central preformed hole of walking wheel 9 and is fixed with walking wheel fixed block 16, and walking wheel fixed block 16 is fixed as an organic whole through 4 walking wheel fixed block bolts 15 and casing. And a walking wheel fixing block 16 is fixed at the position of the reserved hole of the shell 4 through a walking wheel fixing block bolt 15.
The travel spring 11 is sleeved at the upper end of the T-shaped linkage rod 3, the L-shaped linkage shaft lever 6 is arranged in a groove at the lower part of the T-shaped linkage rod 3 and is connected into a whole through an L-shaped linkage shaft lever movable pin 19, a bearing is arranged in the side guide wheel 8, and the side guide wheel 8 is sleeved at the lower end of the L-shaped linkage shaft lever 6 and is fastened through a side guide wheel fixing nut 20.
The L-shaped linkage shaft lever 6 is fixed by a nut through the L-shaped linkage shaft lever fixing pin 13 penetrating through the reserved holes of the shell 4 and the L-shaped linkage shaft lever 6.
The two shells are composed, the fixing cap 12 is screwed on the upper end of the shell 4, and the two shells are fastened; the eccentric wheel operating rod 1 is clamped in a notch at the upper end of the T-shaped linkage rod 3 and penetrates through a reserved hole for fixing by the operating rod penetrating pin 2.
The ladder car connecting plate 18 is connected with the corresponding position of the ladder car, fixed on a wheel seat preformed hole of the ladder car chassis and fixed with the ladder car through a ladder car connecting bolt 5.
The utility model provides an above-mentioned ladder car walking anti-toppling device's application method, including following step:
(1) after internal components (including a T-shaped linkage rod, a stroke spring, an L-shaped linkage shaft rod, a side guide wheel fixing nut, an L-shaped linkage shaft rod fixing pin, an L-shaped linkage shaft rod movable pin, a walking wheel shaft rod, a walking wheel shaft fixing nut, a walking wheel fixing block and a connecting piece of the walking wheel fixing block) are assembled, the internal components are placed into one shell 4, the other shell 4 is buckled with the shell into a whole, and the components are buckled by the two shells; a walking wheel fixing block 16 is fixed at the position of a reserved hole of the shell 4 through a walking wheel fixing block bolt 15; the L-shaped linkage shaft lever 6 is fixed by a nut through the L-shaped linkage shaft lever fixing pin 13 penetrating through the reserved holes of the shell 4 and the L-shaped linkage shaft lever 6.
(2) Screwing a fixing cap 12 to the upper end of the shell 4, clamping the eccentric wheel operating rod 1 in a notch at the upper end of the T-shaped linkage rod 3, and fixing the eccentric wheel operating rod in a reserved hole of the T-shaped linkage rod by penetrating an operating rod penetrating pin 2;
(3) the side guide wheel is unfolded by pulling the eccentric wheel operating rod 1 (the state shown in figure 7 is presented); then, the ladder car connecting plate 18 and the ladder car chassis are fixed into a whole through the ladder car connecting bolt 5, and the side guide wheel 8 and the steel rail 17 are clamped and fixed by pulling the eccentric wheel operating rod 1, so that the ladder car and the steel rail are clamped and fixed. Thereby guarantee the stable connection between ladder car and rail, when guaranteeing that the ladder car can carry out the use, restricted rocking about the ladder car again, reduced the risk that the ladder car emptys.
When the ladder car passes through a turnout area or other barriers tightly attached to a steel rail, the eccentric wheel operating rod 1 is firstly pulled to unfold the side guide wheel, and after the ladder car pushes through the affected area, the eccentric wheel operating rod 1 is pulled to clamp the side guide wheel with the steel rail again.
Claims (5)
1. The utility model provides a ladder car walking anti-toppling device which characterized in that: comprises a main body part, a control connecting rod part and a walking part; the main body part comprises a shell, a ladder car connecting bolt, a fixing cap and a ladder car connecting plate; the fixing cap is sleeved on the upper part of the shell and used for fixing the two shells without separation;
the control connecting rod part comprises an eccentric wheel operating rod, an operating rod penetrating pin, a T-shaped linkage rod, an L-shaped linkage shaft rod, a stroke spring, an L-shaped linkage shaft rod fixing pin and an L-shaped linkage shaft rod movable pin; the eccentric wheel operating rod is connected with the T-shaped linkage rod through an operating rod through a pin, the stroke spring is sleeved on the upper portion of the T-shaped linkage rod, the movable pin of the L-shaped linkage shaft rod penetrates through the preformed holes on two sides of the bottom of the T-shaped linkage rod to be connected with the two L-shaped linkage shaft rods, and the T-shaped linkage rod moves up and down due to the compression or extension of the stroke spring and drives the two L-shaped linkage shaft rods at the bottom of the T-shaped linkage rod to swing along the center position of the movable pin of the L-shaped linkage shaft rod;
the walking part comprises a walking wheel shaft rod, a side guide wheel, a walking wheel shaft fixing nut, a walking wheel fixing block bolt and a walking wheel fixing block; the bottom of the L-shaped linkage shaft lever is connected with two side guide wheels which are positioned at two sides of the steel rail; the walking wheel is positioned in the middle of the bottom of the shell and is in direct contact with the steel rail, the walking wheel shaft lever penetrates through a walking wheel center preformed hole and then is fixed with the walking wheel fixing block, and the walking wheel fixing block is fixed with the shell into a whole through 4 walking wheel fixing block bolts;
and the walking wheel fixing block is fixed at the position of the reserved hole of the shell through a walking wheel fixing block bolt.
2. The ladder car walking anti-toppling device according to claim 1, characterized in that: the travel spring is sleeved at the upper end of the T-shaped linkage rod, the L-shaped linkage shaft rod is placed in a groove at the lower part of the T-shaped linkage rod and connected into a whole through a movable pin of the L-shaped linkage shaft rod, a bearing is arranged in the side guide wheel, and the side guide wheel is sleeved at the lower end of the L-shaped linkage shaft rod and fastened through a side guide wheel fixing nut.
3. The ladder car walking anti-toppling device according to claim 1, characterized in that: and the L-shaped linkage shaft lever is fixed by a nut through penetrating the L-shaped linkage shaft lever fixing pin from the shell and the reserved hole of the L-shaped linkage shaft lever.
4. The ladder car walking anti-toppling device according to claim 1, characterized in that: the two shells are provided with fixing caps screwed on the upper ends of the shells to fasten the two shells; the eccentric wheel operating rod is clamped in a notch at the upper end of the T-shaped linkage rod and penetrates through the reserved hole for fixing by the aid of an operating rod penetrating pin.
5. The ladder car walking anti-toppling device according to claim 1, characterized in that: the ladder car connecting plate is fixed on a wheel seat preformed hole of the ladder car chassis and is fixed with the ladder car through a ladder car connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791491.XU CN214532756U (en) | 2020-11-27 | 2020-11-27 | Ladder car walking anti-toppling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791491.XU CN214532756U (en) | 2020-11-27 | 2020-11-27 | Ladder car walking anti-toppling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214532756U true CN214532756U (en) | 2021-10-29 |
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ID=78288466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022791491.XU Active CN214532756U (en) | 2020-11-27 | 2020-11-27 | Ladder car walking anti-toppling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214532756U (en) |
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2020
- 2020-11-27 CN CN202022791491.XU patent/CN214532756U/en active Active
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