CN109278786B - Fixed gripping device and electric locomotive with same - Google Patents
Fixed gripping device and electric locomotive with same Download PDFInfo
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- CN109278786B CN109278786B CN201811383139.3A CN201811383139A CN109278786B CN 109278786 B CN109278786 B CN 109278786B CN 201811383139 A CN201811383139 A CN 201811383139A CN 109278786 B CN109278786 B CN 109278786B
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 19
- 238000010168 coupling process Methods 0.000 abstract description 19
- 238000005859 coupling reaction Methods 0.000 abstract description 19
- 238000007789 sealing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a fixed grasping device and an electric locomotive with the same, belonging to the technical field of electric locomotives, wherein the fixed grasping device comprises a first connecting mechanism and a second connecting mechanism; the second connecting mechanism comprises a fixed column and a limiting ball; the first connecting mechanism comprises a connecting main body, an upper limiting mechanism and a lower limiting mechanism; the upper limiting mechanism comprises an upper fixed plate, a first lifting cylinder and an upper base, and the first lifting cylinder is arranged on the upper base and used for driving the upper fixed plate to move up and down; the lower limiting mechanism comprises a lower fixed plate, a second lifting cylinder and a lower base, wherein the lower fixed plate is matched with the upper fixed plate to be connected with the main body in a sealing manner, and the second lifting cylinder is arranged on the lower base and is used for driving the lower fixed plate to move up and down; an upper semicircular hole is formed in the upper fixing plate, a lower semicircular hole is formed in the lower fixing plate, and the upper semicircular hole and the lower semicircular hole are spliced to form a circular through hole, so that the problem that an existing coupler coupling type connecting mode is prone to failure due to poor locking is solved.
Description
Technical Field
The invention relates to the technical field of electric locomotives, in particular to a fixed gripping device and an electric locomotive with the same.
Background
The electric locomotive is a traction device for rail vehicle transportation, and the power is that a traction motor is used for driving wheels to rotate, so that the locomotive runs on a rail by means of friction between the wheels and a rail surface. The structure of the electric locomotive can be divided into an overhead wire type electric locomotive and a storage battery electric locomotive, and the storage battery electric locomotive drives a motor to run through a flame-proof bolt, a controller, a resistor box and other parts by direct current provided by a storage battery, so that a train is towed to run.
The front end and the rear end of the motor vehicle are provided with a latch head generally, the conventional latch head is a coupler coupling type coupler, the coupler consists of a coupler head, a coupler body and a coupler tail, and a coupler tongue, a coupler tongue pin, a lock lifting pin, a coupler tongue push iron and a coupler lock iron are arranged in the coupler head. However, in the long-term use process of the electric locomotive, collision between the locomotive and the vehicle can be avoided, when the coupler is impacted or the vibration is overlarge in the operation process, the internal structure of the coupler can be loosened, so that the coupler is poor in locking and automatic uncoupling occurs. In addition, the coupling mode of the coupling is strict in the size requirement on the coupling locking position, and once the coupling locking position is out of limit in size, the clearance between two coupling hooks which are mutually connected is overlarge, so that the coupling lock pin is prevented from jumping and losing efficacy during running collision, the coupling is separated, and the safety is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a fixed gripping device and an electric locomotive with the same, which solve the problem that the existing coupler connecting mode is easy to break down due to poor locking, so that the electric locomotive is separated from a vehicle.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a fixed grip device comprising a first attachment mechanism and a second attachment mechanism;
the second connecting mechanism comprises a fixed column and a limiting ball, and the limiting ball is fixed at the end part of the fixed column and has a diameter larger than that of the fixed column;
the first connecting mechanism comprises a connecting main body, an upper limiting mechanism and a lower limiting mechanism, wherein the connecting main body is hollow and is used for accommodating the limiting ball;
the upper limiting mechanism comprises an upper fixing plate, a first lifting cylinder and an upper base, the upper base is fixed on the top surface of the connecting main body, an opening is formed in one side of the connecting main body, a limiting ball stretches into the connecting main body through the opening, the upper fixing plate is positioned at the opening of the connecting main body, the first lifting cylinder is mounted on the upper base and used for driving the upper fixing plate to move up and down, and a piston rod of the first lifting cylinder penetrates through the upper base downwards and is fixed with the upper fixing plate;
the lower limiting mechanism comprises a lower fixing plate, a second lifting cylinder and a lower base, the lower base is fixed at the bottom of the connecting main body, the lower fixing plate is positioned at the opening of the connecting main body and matched with the upper fixing plate to seal the connecting main body, the second lifting cylinder is mounted on the lower base and used for driving the lower fixing plate to move up and down, and a piston rod of the second lifting cylinder penetrates through the lower base upwards and is fixed with the lower fixing plate;
the upper semicircular hole is formed in the bottom of the upper fixing plate, the lower semicircular hole is formed in the upper portion of the lower fixing plate, the upper semicircular hole and the lower semicircular hole are spliced to form a circular through hole, the diameter of the circular through hole is larger than that of the fixing column, the diameter of the circular through hole is smaller than that of the limiting ball, and the fixing column penetrates through the circular through hole.
Through the technical scheme, when electric locomotive is connected with the vehicle, start first promotion cylinder and second promotion cylinder for first promotion cylinder drives fixed plate upward movement, and the fixed plate downwardly moving under the second promotion cylinder drives, thereby exposes connecting main part lateral part opening part, treat that spacing ball stretches into the inside back of connecting the main part, start first promotion cylinder and second again simultaneously, make the fixed plate push down, lower fixed plate moves up, until last fixed plate and lower fixed plate contact, spacing ball is restricted in connecting the main part this moment, the fixed column wears to establish in the circular through-hole that upper semicircle orifice and lower semicircle orifice butt joint formed. Under the cooperation of first coupling mechanism and second coupling mechanism, electric locomotive is connected with traction vehicle, easy operation, convenient to use. After the upper fixing plate and the lower fixing plate are unfolded towards two sides, the limiting balls easily enter the connecting main body, and because the diameter of the circular through hole is between the diameter of the fixing column and the diameter of the limiting balls, the connecting main body can be normally used when a central shaft of the fixing column and the central line of the circular through hole deviate a little, the connecting main body can be used normally, the fault occurrence rate is reduced, the maintenance times is reduced, the use is safe and reliable, and the phenomenon that an electric locomotive and a vehicle are separated is difficult to occur.
Further preferred are: an upper sliding groove is formed in the side part of the upper base, the upper end of the upper sliding groove extends to the upper part of the upper base, the lower end of the upper sliding groove penetrates through the upper side wall of the connecting main body, an upper sliding plate is fixed on the inner side of the upper fixing plate, and the upper sliding plate is embedded in the upper sliding groove and is arranged in a sliding manner with the upper sliding plate;
the lower sliding groove is formed in the side portion of the lower base, the lower end of the lower sliding groove extends to the bottom of the lower base, the upper end of the lower sliding groove penetrates through the lower side wall of the connecting main body, a lower sliding plate is fixed on the inner side of the lower fixing plate, and the lower sliding plate is embedded in the lower sliding groove and is arranged in a sliding mode with the lower sliding plate.
Through above-mentioned technical scheme for when first promotion cylinder and second promote the cylinder start, go up fixed plate and lower fixed plate and can slide steadily along last spout and lower spout respectively, improved the stationarity of going up fixed plate and lower fixed plate, and improved the joint strength of going up fixed plate, lower fixed plate and connecting body, durable.
Further preferred are: the outer side of the upper fixing plate is fixedly provided with a first reinforcing plate, at least one first reinforcing plate is arranged, the outer side of the lower fixing plate is fixedly provided with a second reinforcing plate, and at least one second reinforcing plate is arranged.
Through above-mentioned technical scheme, strengthen the joint strength of upper fixed plate and lower fixed plate, durable, life is longer.
Further preferred are: the lower end of the first reinforcing plate extends to the lower part of the bottom of the upper fixing plate, a socket is formed in the inner side of the lower end of the first reinforcing plate, and the upper end of the second reinforcing plate extends to the upper part of the top of the lower fixing plate and is inserted into the socket.
Through above-mentioned technical scheme, improve the connectivity of going up fixed plate and lower fixed plate, use safe and reliable, the traction vehicle of being convenient for.
Further preferred are: the limiting plate is fixed on the fixed column, the buffer air bag is arranged on one side, close to the limiting ball, of the limiting plate, one side of the buffer air bag is fixed with the limiting plate, the expansion plate is fixed on the other side of the buffer air bag, and the expansion plate is sleeved on the fixed column and is arranged in a sliding mode with the fixed column.
Through the technical scheme, when the electric locomotive is prevented from braking, the electric locomotive and the vehicle are subjected to violent collision, and the braking stability is improved.
Further preferred are: the connecting main body is provided with a cushion pad on one side far away from the upper fixing plate and the lower fixing plate, and the cushion pad is fixed inside the connecting main body.
Through above-mentioned technical scheme, when preventing electric locomotive brake, limit ball takes place violently to strike with the connecting body, improves brake stationarity.
Further preferred are: the inner sides of the upper fixing plate and the lower fixing plate are respectively fixed with a rubber layer used for being in contact with the limiting ball.
Through above-mentioned technical scheme, the rubber layer can play the guard action, prevents spacing ball and last fixed plate and the inboard friction of lower fixed plate, reduces wearing and tearing.
Further preferred are: the upper chute and the lower chute are both T-shaped grooves.
Through above-mentioned technical scheme, the connectivity is better, goes up fixed plate and lower fixed plate and is difficult for breaking away from with last spout and lower spout.
An electric locomotive comprising a push-pull cylinder, a storage compartment, and a fixed grip device of any of claims 1-8.
Further preferred are: the storage room is located the electric locomotive tail and is used for holding first coupling mechanism, the storage room rear side is the opening setting, push-and-pull cylinder is fixed the electric locomotive rear end, push-and-pull cylinder piston rod runs through the storage room front side and with first coupling mechanism is connected, second coupling mechanism's fixed column is fixed on the electric locomotive traction vehicle.
Through above-mentioned technical scheme, first coupling mechanism can deposit in the storeroom, and during the use, rethread push-and-pull cylinder shifts out it, convenient to use reduces the occupation space of electric locomotive.
In summary, the invention has the following beneficial effects: when the electric locomotive is connected with the vehicle, the push-pull cylinder is started, the first connecting mechanism is pushed out from the storage chamber at the tail part of the electric locomotive, after the first connecting mechanism is moved out of the electric locomotive, the first lifting cylinder and the second lifting cylinder are started again, the first lifting cylinder drives the upper fixing plate to move upwards, the second lifting cylinder drives the lower fixing plate to move downwards, the side opening part of the connecting main body is exposed, after the limiting ball stretches into the connecting main body, the first lifting cylinder and the second lifting cylinder are started at the same time, the upper fixing plate is pressed downwards, the lower fixing plate moves upwards until the upper fixing plate is contacted with the lower fixing plate, at the moment, the limiting ball is limited in the connecting main body, and the fixing column penetrates into a circular through hole formed by butting of the upper semicircular hole and the lower semicircular hole. Under the cooperation of first coupling mechanism and second coupling mechanism, electric locomotive is connected with traction vehicle, easy operation, convenient to use. After the upper fixing plate and the lower fixing plate are unfolded towards two sides, the limiting balls easily enter the connecting main body, and because the diameter of the circular through hole is between the diameter of the fixing column and the diameter of the limiting balls, the connecting main body can be normally used when a central shaft of the fixing column deviates from the central line of the circular through hole a little, the fault occurrence rate is reduced, the connecting main body is safe and reliable to use, and the phenomenon that an electric locomotive and a vehicle are separated easily occurs. The buffer air bags and the buffer pads can play a role in buffering, so that when the electric locomotive is prevented from being braked, the electric locomotive and the vehicle are subjected to violent collision, and the braking stability is improved. The first connecting mechanism can be stored in the storage room, and when the electric locomotive is used, the first connecting mechanism is moved out through the push-pull air cylinder, so that the electric locomotive is convenient to use, and the occupied space of the electric locomotive is reduced.
Drawings
FIG. 1 is a schematic structural view of an embodiment, primarily for use in embodying the structure of a fixed grip device;
FIG. 2 is a schematic structural view of an embodiment, primarily for embodying the structure of a fixed grip device;
FIG. 3 is a schematic view of an embodiment, mainly for illustrating the structure of the upper and lower fixing plates when they are spread to both sides;
FIG. 4 is a schematic structural view of an embodiment, mainly used for embodying the structure of the second connecting mechanism;
FIG. 5 is a schematic structural view of an embodiment, mainly used for embodying the structure of the first connecting mechanism;
FIG. 6 is a schematic structural view of an embodiment, mainly for embodying the structure of the first connecting mechanism;
FIG. 7 is a schematic view of an embodiment, mainly used for embodying the structure of the upper fixing plate;
FIG. 8 is a schematic view of an exploded construction of an embodiment, primarily for embodying the structure of the cushion;
FIG. 9 is a schematic partial cross-sectional view of an embodiment, primarily for use in embodying the attachment of an electric locomotive tail to a fixed grip device.
In the figure, 1, a first connecting mechanism; 11. a connecting body; 12. a side plate; 13. an upper limit mechanism; 131. an upper fixing plate; 132. a first lifting cylinder; 133. an upper base; 134. an upper semicircular hole; 135. a first reinforcing plate; 136. a socket; 137. an upper chute; 138. an upper slide plate; 14. a lower limit mechanism; 141. a lower fixing plate; 142. a second lifting cylinder; 143. a lower base; 144. a lower semicircular hole; 145. a second reinforcing plate; 146. a lower chute; 15. a partition plate; 16. a cushion pad; 2. a second connection mechanism; 21. fixing the column; 22. a limiting plate; 23. a buffer air bag; 24. a telescoping plate; 25. a limit ball; 3. an electric locomotive; 4. a push-pull cylinder; 5. a storage room.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Examples: a fixed gripping device and an electric locomotive with the same, as shown in figures 1-9, the fixed gripping device comprises a first connecting mechanism 1 and a second connecting mechanism 2. The fixed gripping device is arranged at the tail of the electric locomotive 3, the electric locomotive 3 is provided with a push-pull cylinder 4 and a storage chamber 5, the storage chamber 5 is positioned at the tail of the electric locomotive 3 and used for accommodating the first connecting mechanism 1, and the rear side of the storage chamber 5 is provided with an opening. The push-pull air cylinders 4 are arranged in two, the two push-pull air cylinders 4 are fixed at the rear end of the electric locomotive 3, piston rods of the push-pull air cylinders 4 penetrate through the front side of the storage chamber 5 and are connected with the first connecting mechanism 1, and the second connecting mechanism 2 is fixed on a traction vehicle of the electric locomotive 3.
Referring to fig. 1 to 9, the second connection mechanisms 2 are provided in two, and both the second connection mechanisms 2 include a fixing post 21 and a limit ball 25. One end of the fixed column 21 is fixed with a limiting ball 25, the other end of the fixed column is fixed on a traction vehicle of the electric locomotive 3, and the diameter of the limiting ball 25 is larger than that of the fixed column 21. The fixed column 21 is fixed with a limiting plate 22, and the limiting plate 22 is round and fixed on the outer surface of the fixed column 21. The limiting plate 22 is provided with the buffering gasbag 23 in being close to limiting ball 25 one side, and buffering gasbag 23 one side is fixed with limiting plate 22, and the opposite side is fixed with expansion plate 24, expansion plate 24 cover on fixed column 21 and with fixed column 21 slip setting.
Referring to fig. 1 to 9, the first connection mechanism 1 includes a connection body 11, an upper limit mechanism 13, and a lower limit mechanism 14. The connecting body 11 is hollow and provided with a partition 15 in the middle, and the partition 15 divides the connecting body 11 into two chambers for accommodating the limit balls 25. The upper limit mechanism 13 includes an upper fixing plate 131, a first lifting cylinder 132, and an upper base 133. The upper base 133 is fixed on the top surface of the connecting body 11, one side of the connecting body 11 is provided with an opening, and the limiting ball 25 extends into the chambers on both sides of the partition 15 of the connecting body 11 through the opening. The upper fixing plate 131 is located at the opening of the connecting body 11, the first lifting cylinder 132 is mounted on the upper base 133 and used for driving the upper fixing plate 131 to move up and down, a piston rod of the first lifting cylinder 132 penetrates through the upper base 133 downwards and is fixed to the top of the upper fixing plate 131, and two first lifting cylinders 132 are arranged. An upper chute 137 is formed on the side of the upper base 133, the upper chute 137 is a T-shaped chute, the upper end of the upper chute 137 extends to the upper portion of the upper base 133, and the lower end of the upper chute 137 penetrates through the upper side wall of the connecting body 11. An upper sliding plate 138 is fixed to the inner side of the upper fixing plate 131, and the upper sliding plate 138 is embedded in the upper sliding groove 137 and slidably disposed therewith.
Referring to fig. 1 to 9, the lower limit mechanism 14 includes a lower fixing plate 141, a second lifting cylinder 142, and a lower base 143. The lower base 143 is fixed at the bottom of the connecting body 11, the lower fixing plate 141 is located at the opening of the connecting body 11 and cooperates with the upper fixing plate 131 to seal the connecting body 11, and the lower fixing plate 141 is located right below the upper fixing plate 131. The second lifting cylinder 142 is mounted on the lower base 143 and used for driving the lower fixing plate 141 to move up and down, a piston rod of the second lifting cylinder 142 penetrates through the lower base 143 upwards and is fixed with the lower fixing plate 141, and two second lifting cylinders 142 are arranged. The lower sliding groove 146 is formed in the side portion of the lower base 143, the lower sliding groove 146 is a T-shaped groove, the lower end of the lower sliding groove 146 extends to the bottom of the lower base 143, and the upper end of the lower sliding groove 146 penetrates through the lower side wall of the connecting main body 11. A lower slide plate is fixed to the inner side of the lower fixing plate 141, and is embedded in the lower slide groove 146 and slidably disposed therewith.
Referring to fig. 1 to 9, an upper semicircular hole 134 is formed at the bottom of the upper fixing plate 131, a lower semicircular hole 144 is formed at the upper portion of the lower fixing plate 141, the upper semicircular hole 134 and the lower semicircular hole 144 are spliced into a circular through hole, the diameter of the circular through hole is larger than that of the fixing column 21, and the diameter of the circular through hole is smaller than that of the limiting ball 25. The fixing column 21 is penetrated in the circular through hole. The first reinforcing plate 135 is fixed to the outer side of the upper fixing plate 131, the second reinforcing plate 145 is fixed to the outer side of the lower fixing plate 141, and both the first reinforcing plate 135 and the second reinforcing plate 145 are provided. The upper end of the first reinforcing plate 135 is flush with the top surface of the upper fixing plate 131, the lower end extends to the lower part of the bottom of the upper fixing plate 131, and a socket 136 is formed in the inner side of the lower end of the first reinforcing plate 135. The lower end of the second reinforcing plate 145 is flush with the bottom surface of the lower fixing plate 141, and the upper end of the second reinforcing plate 145 extends to above the top of the lower fixing plate 141 and is inserted into the socket 136. The width of the first reinforcing plate 135 is twice the width of the second reinforcing plate 145. The connection body 11 is provided with a cushion pad 16 and a side plate 12 at a side remote from the upper and lower fixing plates 131 and 141, and the side plate 12 is fixed at a side of the connection body 11. The cushion pad 16 is positioned inside the connecting body 11 and fixed inside the side plate 12, and the cushion pad 16 is made of rubber. The outer side of the side plate 12 is fixed with the piston rod of the push-pull cylinder 4. Rubber layers (not shown) for contacting the stopper balls 25 are fixed to the inner sides of the upper and lower fixing plates 131 and 141.
The use process and principle are as follows: when the electric locomotive 3 is connected with a vehicle, the push-pull cylinder 4 is started, the first connecting mechanism 1 is pushed out of the storage chamber 5 at the tail part of the electric locomotive 3, after the first connecting mechanism 1 is moved out of the electric locomotive 3, the first lifting cylinder 132 and the second lifting cylinder 142 are started again, the first lifting cylinder 132 drives the upper fixing plate 131 to move upwards, the second lifting cylinder 142 drives the lower fixing plate 141 to move downwards, the side opening part of the connecting main body 11 is exposed, after the limiting ball 25 extends into the connecting main body 11, the first lifting cylinder 132 and the second lifting cylinder 142 are started again at the same time, the upper fixing plate 131 is pressed down, the lower fixing plate 141 is moved upwards until the upper fixing plate 131 is contacted with the lower fixing plate 141, the limiting ball 25 is limited in the connecting main body 11 at the moment, and the fixing column 21 is penetrated into a circular through hole formed by butting of the upper semicircular hole 134 and the lower semicircular hole 144. With the cooperation of the first coupling mechanism 1 and the second coupling mechanism 2, the electric locomotive 3 is connected with the towing vehicle.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that numerous improvements and modifications can be made by those skilled in the art without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (6)
1. A fixed grip device, characterized by: comprises a first connecting mechanism (1) and a second connecting mechanism (2); the second connecting mechanism (2) comprises a fixed column (21) and a limiting ball (25), wherein the limiting ball (25) is fixed at the end part of the fixed column (21) and has a diameter larger than that of the fixed column (21);
the first connecting mechanism (1) comprises a connecting main body (11), an upper limiting mechanism (13) and a lower limiting mechanism (14), wherein the connecting main body (11) is hollow and is used for accommodating the limiting ball (25);
the upper limiting mechanism (13) comprises an upper fixing plate (131), a first lifting cylinder (132) and an upper base (133), the upper base (133) is fixed on the top surface of the connecting main body (11), an opening is formed in one side of the connecting main body (11), a limiting ball (25) stretches into the connecting main body (11) through the opening, the upper fixing plate (131) is located at the opening of the connecting main body (11), the first lifting cylinder (132) is mounted on the upper base (133) and used for driving the upper fixing plate (131) to move up and down, and a piston rod of the first lifting cylinder (132) downwards penetrates through the upper base (133) and is fixed with the upper fixing plate (131);
the lower limiting mechanism (14) comprises a lower fixing plate (141), a second lifting cylinder (142) and a lower base (143), the lower base (143) is fixed at the bottom of the connecting main body (11), the lower fixing plate (141) is positioned at the opening of the connecting main body (11) and is matched with the upper fixing plate (131) to seal the connecting main body (11), the second lifting cylinder (142) is mounted on the lower base (143) and is used for driving the lower fixing plate (141) to move up and down, and a piston rod of the second lifting cylinder (142) upwards penetrates through the lower base (143) and is fixed with the lower fixing plate (141);
an upper semicircular hole (134) is formed in the bottom of the upper fixing plate (131), a lower semicircular hole (144) is formed in the upper portion of the lower fixing plate (141), the upper semicircular hole (134) and the lower semicircular hole (144) are spliced into a circular through hole, the diameter of the circular through hole is larger than that of the fixing column (21), the diameter of the circular through hole is smaller than that of the limiting ball (25), the fixing column (21) is arranged in the circular through hole in a penetrating mode, an upper sliding groove (137) is formed in the side portion of the upper base (133), the upper end of the upper sliding groove (137) extends to the upper portion of the upper base (133), the lower end of the upper sliding groove penetrates through the upper side wall of the connecting main body (11), an upper sliding plate (138) is fixed on the inner side of the upper fixing plate (131), and the upper sliding plate (138) is embedded in the upper sliding groove (137) and is arranged in a sliding mode.
The utility model discloses a lower base (143) lateral part has seted up lower spout (146), lower spout (146) lower extreme extends to lower base (143) bottom, the upper end runs through connecting main part (11) lower lateral wall, fixed plate (141) inboard is fixed with down the slide down, down the slide inlays in lower spout (146) and slide and set up with it, it is fixed with first reinforcing plate (135) to go up fixed plate (131) outside, first reinforcing plate (135) are provided with one at least, fixed plate (141) outside is fixed with second reinforcing plate (145) down, second reinforcing plate (145) are provided with one at least, first reinforcing plate (135) lower extreme extends to go up fixed plate (131) bottom below, first reinforcing plate (135) lower extreme inboard has seted up socket (136), second reinforcing plate (145) upper end extends to lower fixed plate (141) top and inserts and establish in socket (136), on fixed plate (141) outside is fixed with second reinforcing plate (145), second reinforcing plate (145) are provided with one in the side, second reinforcing plate (145) are provided with spacing ball (23) are fixed with one side (23), the expansion plate (24) is sleeved on the fixed column (21) and is arranged in a sliding manner with the fixed column (21).
2. A fixed gripping device as claimed in claim 1, wherein: the connecting body (11) is provided with a cushion pad (16) at one side far away from the upper fixing plate (131) and the lower fixing plate (141), and the cushion pad (16) is fixed inside the connecting body (11).
3. A fixed gripping device as claimed in claim 1, wherein: rubber layers for contacting with the limiting balls (25) are fixed on the inner sides of the upper fixing plate (131) and the lower fixing plate (141).
4. A fixed gripping device as claimed in claim 1, wherein: the upper sliding groove (137) and the lower sliding groove (146) are both T-shaped grooves.
5. An electric locomotive, characterized in that: comprising a push-pull cylinder (4), a storage chamber (5) and a fixed gripping device according to any of claims 1-4.
6. The electric locomotive of claim 5, wherein: the electric locomotive is characterized in that the storage chamber (5) is positioned at the tail of the electric locomotive (3) and used for accommodating the first connecting mechanism (1), the rear side of the storage chamber (5) is provided with an opening, the push-pull cylinder (4) is fixed at the rear end of the electric locomotive (3), a piston rod of the push-pull cylinder (4) penetrates through the front side of the storage chamber (5) and is connected with the first connecting mechanism (1), and a fixed column (21) of the second connecting mechanism (2) is fixed on a traction vehicle of the electric locomotive (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383139.3A CN109278786B (en) | 2018-11-20 | 2018-11-20 | Fixed gripping device and electric locomotive with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383139.3A CN109278786B (en) | 2018-11-20 | 2018-11-20 | Fixed gripping device and electric locomotive with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278786A CN109278786A (en) | 2019-01-29 |
| CN109278786B true CN109278786B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383139.3A Active CN109278786B (en) | 2018-11-20 | 2018-11-20 | Fixed gripping device and electric locomotive with same |
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| Country | Link |
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| CN (1) | CN109278786B (en) |
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| CN209479672U (en) * | 2018-11-20 | 2019-10-11 | 湘潭牵引机车厂有限公司 | A kind of fixed grasp device and the electric locomotive with the device |
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