阅读说明：本技术 一种用矿山建设用复式阻车器 (Compound car arrester for mine construction ) 是由 张修和 杜友胜 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种用矿山建设用复式阻车器,属于阻车器技术领域,包括侧接板,所述侧接板的之间固定安装有两组对称设置的连接架,所述连接架的顶端两侧设有对称分布的固定机构,且相邻固定机构之间可拆卸设有轨道本体,所述连接架的上端两侧固定安装有对称设置固定架,所述固定架上一体成型有固定筒,相邻所述固定筒之间转动插接有第一转动杆。将轨道本体的末端依次穿过对应Z型板之间,随后可将侧接板固定在地面上并依次旋钮多组螺母,直至螺母紧密贴合在Z型板上,从而将轨道本体固定在连接架上,进而配合导向杆的使用,能够有效提高轨道本体与连接架之间的连接稳定性,避免后续矿车多次撞击异型阻车块而造成螺母松动的现象。(The invention discloses a compound car arrester for mine construction, which belongs to the technical field of car arresters and comprises side connecting plates, wherein two groups of symmetrically-arranged connecting frames are fixedly arranged between the side connecting plates, symmetrically-distributed fixing mechanisms are arranged on two sides of the top end of each connecting frame, a track body is detachably arranged between every two adjacent fixing mechanisms, symmetrically-arranged fixing frames are fixedly arranged on two sides of the upper end of each connecting frame, fixing cylinders are integrally formed on the fixing frames, and first rotating rods are rotatably inserted between every two adjacent fixing cylinders. Pass corresponding between the Z template in proper order with the end of track body, can fix the side joint board subaerial and knob multiunit nut in proper order afterwards, until the nut closely laminates on the Z template to fix the track body on the link, and then the use of cooperation guide bar can effectively improve the stability of being connected between track body and the link, avoids follow-up mine car striking heterotypic car stopping block many times and causes the not hard up phenomenon of nut.)

1. The utility model provides a with compound car arrester for mine construction, includes side joint board (1), its characterized in that: two groups of symmetrically arranged connecting frames (2) are fixedly installed between the side connecting plates (1), symmetrically distributed fixing mechanisms (3) are arranged on two sides of the top end of each connecting frame (2), a track body (4) is detachably arranged between every two adjacent fixing mechanisms (3), symmetrically arranged fixing frames (21) are fixedly installed on two sides of the upper end of each connecting frame (2), fixing cylinders (22) are integrally formed on the fixing frames (21), first rotating rods (23) are rotatably inserted between every two adjacent fixing cylinders (22), special-shaped car stopping blocks (5) are movably sleeved on the first rotating rods (23), the special-shaped car stopping blocks (5) can be movably sleeved on the track bodies (4), buffer mechanisms (6) are arranged on the special-shaped car stopping blocks (5), and first damping mechanisms (7) matched with the special-shaped car stopping blocks (5) for use are arranged on the first rotating rods (23), and second damping mechanisms (8) matched with the special-shaped car stopping blocks (5) for use are arranged on two sides of the top end of the side connecting plate (1), and third damping mechanisms (9) matched with the second damping mechanisms (8) for use are arranged on the side connecting plate (1).

2. A compound car arrester for mine construction as claimed in claim 1, characterized in that the fixing mechanism (3) comprises a Z-shaped plate (31), the Z-shaped plate (31) is movably mounted on the connecting frame (2), the inner side of one end of the Z-shaped plate (31) can be contacted with the track body (4), a threaded rod (32) and a guide rod (33) are slidably inserted on the Z-shaped plate (31), one ends of the threaded rod (32) and the guide rod (33) are fixedly connected with the connecting frame (2), a nut (34) is sleeved on the threaded rod (32) in a threaded manner, the nut (34) can be tightly contacted with the Z-shaped plate (31), a first limiting disc (35) is fixedly mounted at one end of the guide rod (33) far away from the connecting frame (2), a return spring (36) is arranged at one side of the first limiting disc (35) close to the connecting frame (2), the return spring (36) is movably sleeved on the guide rod (33), and one end of the return spring (36) is fixedly connected with the Z-shaped plate (31).

3. The compound car arrester as claimed in claim 1, wherein the buffer mechanism (6) comprises a buffer rod (61), the buffer rod (61) is slidably inserted into the special-shaped car arrester (5), an installation groove (54) is formed in the special-shaped car arrester (5), the buffer rod (61) is slidably inserted into the installation groove (54), a buffer ring (62) is fixedly connected to the buffer rod (61), a first buffer spring (63) is arranged on one side of the buffer ring (62), the first buffer spring (63) is movably sleeved on the buffer rod (61), one end of the first buffer spring (63) is fixedly connected with the inner wall of the installation groove (54), a buffer plate (64) is fixedly installed on one end of the buffer rod (61) far away from the installation groove (54), and second buffer springs (65) which are symmetrically distributed are fixedly installed on one side of the buffer plate (64) close to the special-shaped car arrester (5), the second buffer spring (65) is movably sleeved on the buffer rod (61), and one end of the second buffer spring (65) is fixedly connected with the special-shaped car stopping block (5).

4. A compound car arrester as claimed in claim 1, wherein the first damping mechanism (7) comprises a first damping spring (71), the first damping spring (71) is movably sleeved on the first rotating rod (23), one end of the first damping spring (71) is fixedly connected with the fixed cylinder (22), the other end of the first damping spring (71) is fixedly provided with a rotating ring (72), the rotating ring (72) is movably sleeved on the first rotating rod (23), and opposite sides of adjacent rotating rings (72) are rotatably connected with the special-shaped car arrester block (5).

5. The compound car arrester for mine construction as claimed in claim 1, wherein the second damping mechanism (8) comprises an L-shaped sliding plate (81), a side plate (82) and a second rotating rod (83), the L-shaped sliding plate (81) is slidably mounted on the side connecting plate (1), one end of the L-shaped sliding plate (81) is fixedly connected with a second U-shaped plate (84), the second U-shaped plate (84) is movably sleeved on the outer side of the special-shaped car arresting block (5), the side plate (82) is fixedly mounted on the side connecting plate (1), one side of the side plate (82) is fixedly mounted with a sliding rod (85), the sliding rod (85) is slidably sleeved with a damping rack (86), a sliding groove (87) is formed in the damping rack (86), the sliding rod (85) is slidably inserted in the sliding groove (87), and one end of the damping rack (86) close to the side plate (82) is fixedly connected with a second damping spring (88), second damping spring (88) activity cup joints on slide bar (85), and the one end and curb plate (82) fixed connection of second damping spring (88), second dwang (83) rotate and install on side fishplate bar (1), and the upper end outside of second dwang (83) rotates the cover and is equipped with damping gear (89), damping gear (89) mesh with adjacent shock attenuation rack (86) mutually.

6. A compound car arrester according to claim 5, characterized in that, the third damping mechanism (9) comprises a damping rod (91), the damping rod (91) is fixedly arranged on the side connection plate (1), and the shock absorption rods (91) are inserted with symmetrically arranged extrusion blocks (93) in a sliding way, a third shock absorption spring (94) is fixedly arranged between the extrusion blocks (93), the third damping spring (94) is movably sleeved on the damping rod (91), one end of the extrusion block (93) close to the damping rack (86) is rotatably connected with a second rotating plate (95), one end of the adjacent second rotating plate (95) is rotatably provided with a bearing plate (96), a connecting column (97) is arranged on one side of the bearing plate (96) far away from the shock absorption rod (91), one end of the connecting column (97) is fixedly connected with the shock absorption rack (86).

7. The compound car arrester for mine construction as claimed in claim 6, wherein a second limiting disc (92) is fixedly mounted at one end of the shock absorbing rod (91) far away from the side connecting plate (1), and the extrusion block (93) far away from the side connecting plate (1) can movably contact with the second limiting disc (92).

8. A compound car arrester as claimed in claim 1, wherein a first rotating plate (51) is integrally formed at one end of the special-shaped car arrester block (5) close to the first rotating rod (23), a first U-shaped plate (52) is rotatably sleeved at one end of the first rotating plate (51), and a hydraulic telescopic rod (53) is fixedly installed between the adjacent first U-shaped plates (52).

Technical Field

The invention relates to the technical field of car stoppers, in particular to a compound car stopper for mine construction.

Background

A car arrester, also called a parking device, is one of important facilities of a coal mine transportation system, and belongs to a car-sliding prevention device. The car arrester is used for limiting a mine car to stay at a specified position on one hand, is used for preventing car running accidents on the other hand, and is often used in combination with equipment such as a car pusher.

The compound car arrester that current mine construction used still has certain not enough, mostly only cushion the shock attenuation through a set of damping spring to heterotypic car arrester on current compound car arrester, thereby it is great to the produced reaction force of mine car to lead to heterotypic car arrester, can't steadily intercept the mine car, and can produce great destruction to compound car arrester, and then the life of compound car arrester has been reduced, and current compound car arrester is mostly only through threaded rod and nut carry out trapped orbit, thereby when leading to follow-up use, easily cause the not hard up phenomenon of nut after the heterotypic car arrester of striking many times of mine car, furthermore, the heterotypic car arrester of current compound car arrester does not set up buffer gear, thereby it is great to the produced impact force of heterotypic car arrester to make the mine car, and then easily lead to abnormal shape car arrester the phenomenon that the damage appears.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a compound car arrester for mine construction, which comprises side connection plates, wherein two groups of symmetrically arranged connecting frames are fixedly arranged between the side connection plates, symmetrically distributed fixing mechanisms are arranged on two sides of the top end of each connecting frame, a track body is detachably arranged between adjacent fixing mechanisms, symmetrically arranged fixing frames are fixedly arranged on two sides of the upper end of each connecting frame, fixing cylinders are integrally formed on the fixing frames, a first rotating rod is rotatably inserted between the adjacent fixing cylinders, a special-shaped car arresting block is movably sleeved on the first rotating rod and can be movably sleeved on the track body, a buffer mechanism is arranged on the special-shaped car arresting block, a first damping mechanism matched with the special-shaped car arresting block is arranged on the first rotating rod, second damping mechanisms matched with the special-shaped car arresting block are arranged on two sides of the top end of each side connection plate, and a third damping mechanism matched with the second damping mechanism is arranged on the side connecting plate.

Preferably, fixed establishment includes the Z template, Z template movable mounting is on the link, and the one end inboard of Z template can contact with the track body, slide on the Z template and insert and be equipped with threaded rod and guide bar, and the one end of threaded rod and guide bar all with link fixed connection, the nut has been cup jointed to the screw thread on the threaded rod, the nut can with Z template in close contact with, the one end fixed mounting that the link was kept away from to the guide bar has first spacing dish, one side that first spacing dish is close to the link is equipped with reset spring, reset spring movable sleeve establishes on the guide bar, and reset spring's one end and Z template fixed connection.

Preferably, buffer gear includes the buffer beam, the buffer beam slides and inserts and establish on heterotypic car piece that hinders, the mounting groove has been seted up on the heterotypic car piece that hinders, the buffer beam slides and inserts and establish in the mounting groove, and the fixed buffer ring that has cup jointed on the buffer beam, one side of buffer ring is equipped with first buffer spring, first buffer spring movable sleeve is established on the buffer beam, and the inner wall fixed connection of first buffer spring's one end and mounting groove, the one end fixed mounting that the mounting groove was kept away from to the buffer beam has the buffer board, one side fixed mounting that the buffer board is close to heterotypic car piece has the second buffer spring of symmetric distribution, second buffer spring movable sleeve is established on the buffer beam, and second buffer spring's one end and heterotypic car piece fixed connection that hinders.

Preferably, the first damping mechanism comprises a first damping spring, the first damping spring is movably sleeved on the first rotating rod, one end of the first damping spring is fixedly connected with the fixed cylinder, the other end of the first damping spring is fixedly provided with a rotating ring, the rotating ring is movably sleeved on the first rotating rod, and the opposite side of each adjacent rotating ring is rotatably connected with the special-shaped car stopping block.

Preferably, the second damping mechanism comprises an L-shaped sliding plate, a side plate and a second rotating rod, the L-shaped sliding plate is slidably mounted on the side connecting plate, one end of the L-shaped sliding plate is fixedly connected with a second U-shaped plate, the second U-shaped plate is movably sleeved on the outer side of the special-shaped car stopping block, the side plate is fixedly mounted on the side connecting plate, one side of the side plate is fixedly mounted with a sliding rod, a damping rack is slidably sleeved on the sliding rod, a sliding groove is formed in the damping rack, the sliding rod is slidably inserted in the sliding groove, one end of the damping rack close to the side plate is fixedly connected with a second damping spring, the second damping spring is movably sleeved on the sliding rod, one end of the second damping spring is fixedly connected with the side plate, the second rotating rod is rotatably mounted on the side connecting plate, and a damping gear is rotatably sleeved on the outer side of the upper end of the second rotating rod, the shock absorption gear is meshed with the adjacent shock absorption rack.

Preferably, third damper includes the shock-absorbing rod, shock-absorbing rod fixed mounting is on the board of side joint, and the slip grafting has the stripper block that the symmetry set up on the shock-absorbing rod, fixed mounting has third damping spring between the stripper block, third damping spring movable sleeve is established on the shock-absorbing rod, the one end rotation that the stripper block is close to the shock-absorbing rack is connected with the second and changes the board, and is adjacent the one end rotation of second commentaries on classics board is installed and is accepted the board, it is equipped with the spliced pole to accept one side that the shock-absorbing rod was kept away from to the board, the one end and the shock-absorbing rack fixed connection of spliced pole.

Preferably, one end of the shock absorption rod, which is far away from the side connection plate, is fixedly provided with a second limiting disc, and the extrusion block, which is far away from the side connection plate, can be in movable contact with the second limiting disc.

Preferably, the one end integrated into one piece that heterotypic car stopping block is close to first commentaries on classics pole has first commentaries on classics board, the one end of first commentaries on classics board is rotated and is cup jointed first U template, and is adjacent fixed mounting has hydraulic telescoping rod between the first U template.

The invention can effectively improve the connection stability between the track body and the connecting frame and avoid the phenomenon that the nut is loosened because the follow-up mine car impacts the special-shaped car stopping block for many times. The impact force of the mine car on the special-shaped car stopping blocks can be effectively reduced, and the phenomenon that the special-shaped car stopping blocks are damaged due to overlarge impact force is avoided. The counterforce of the special-shaped car stopper on the mine car can be effectively reduced, so that the mine car can be stably intercepted, the damage of impact on the compound car stopper can be reduced, and the service life of the compound car stopper is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multiple car arrester for mine construction according to an embodiment of the present invention.

FIG. 2 is a schematic bottom view of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

Fig. 4 is a schematic view of the connection structure of the present invention.

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention.

FIG. 6 is an enlarged view of the structure at C in FIG. 4 according to the present invention.

FIG. 7 is an enlarged view of the structure shown at D in FIG. 4 according to the present invention.

FIG. 8 is an enlarged view of the structure at E in FIG. 4 according to the present invention.

Description of reference numerals: 1. a side joint plate; 2. a connecting frame; 21. a fixed mount; 22. a fixed cylinder; 23. a first rotating lever; 3. a fixing mechanism; 31. a Z-shaped plate; 32. a threaded rod; 33. a guide bar; 34. a nut; 35. a first limiting disc; 36. a return spring; 4. a track body; 5. a special-shaped car stopping block; 51. a first rotating plate; 52. a first U-shaped plate; 53. a hydraulic telescopic rod; 54. mounting grooves; 6. a buffer mechanism; 61. a buffer rod; 62. a buffer ring; 63. a first buffer spring; 64. a buffer plate; 65. a second buffer spring; 7. a first damper mechanism; 71. a first damping spring; 72. a rotating ring; 8. a second damper mechanism; 81. an L-shaped slide plate; 82. a side plate; 83. a second rotating lever; 84. a second U-shaped plate; 85. a slide bar; 86. a shock absorbing rack; 87. a sliding groove; 88. a second damping spring; 89. a damper gear; 9. a third damper mechanism; 91. a shock-absorbing lever; 92. a second limiting disc; 93. extruding the block; 94. a third damping spring; 95. a second rotating plate; 96. a bearing plate; 97. connecting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in figures 1 to 8, the invention provides a compound car arrester for mine construction, which comprises side connection plates 1, two groups of symmetrically arranged connecting frames 2 are fixedly arranged between the side connection plates 1, two symmetrically distributed fixing mechanisms 3 are arranged on two sides of the top end of each connecting frame 2, a track body 4 is detachably arranged between every two adjacent fixing mechanisms 3, symmetrically arranged fixing frames 21 are fixedly arranged on two sides of the upper end of each connecting frame 2, fixing cylinders 22 are integrally formed on the fixing frames 21, first rotating rods 23 are rotatably inserted between every two adjacent fixing cylinders 22, special-shaped car arresting blocks 5 are movably sleeved on the first rotating rods 23, the special-shaped car arresting blocks 5 can be movably sleeved on the track body 4, a first rotating plate 51 is integrally formed at one end, close to the first rotating rod 23, of each special-shaped car arresting block 5, a first U-shaped plate 52 is rotatably sleeved at one end of the first rotating plate 51, a hydraulic telescopic rod 53 is fixedly arranged between every two adjacent U-shaped plates 52, through hydraulic telescoping rod 53, the concerted action of first U template 52 and first rotor 51, it facilitates for corresponding the synchronous rotation of two sets of heterotypic car stopping blocks 5, be equipped with buffer gear 6 on the heterotypic car stopping blocks 5, and be equipped with on the first rotor rod 23 with the first damper 7 that heterotypic car stopping blocks 5 cooperation was used, the top both sides of side joint board 1 all are equipped with the second damper 8 that uses with heterotypic car stopping blocks 5 cooperation, and be equipped with on the side joint board 1 with the third damper 9 that second damper 8 cooperation was used.

Fixing mechanism 3 includes Z template 31, Z template 31 movable mounting is on link 2, and the one end inboard of Z template 31 can contact with track body 4, it is equipped with threaded rod 32 and guide bar 33 to slide on the Z template 31 to insert, and the one end of threaded rod 32 and guide bar 33 all with link 2 fixed connection, threaded rod 32 goes up the screw thread and has cup jointed nut 34, nut 34 can with Z template 31 in close contact with, the one end fixed mounting that link 2 was kept away from to guide bar 33 has first spacing dish 35, one side that first spacing dish 35 is close to link 2 is equipped with reset spring 36, reset spring 36 movable sleeve is established on guide bar 33, and reset spring 36's one end and Z template 31 fixed connection, reset spring 36's setting is used, facilitate for Z template 31's automatic re-setting.

Buffer gear 6 includes buffer rod 61, buffer rod 61 slides and inserts and establish on heterotypic car piece 5 that hinders, mounting groove 54 has been seted up on the heterotypic car piece 5 that hinders, buffer rod 61 slides and inserts and establish in mounting groove 54, and the fixed cover has been connected buffer ring 62 on the buffer rod 61, one side of buffer ring 62 is equipped with first buffer spring 63, first buffer spring 63 movable sleeve is established on buffer rod 61, and the one end of first buffer spring 63 and the inner wall fixed connection of mounting groove 54, the one end fixed mounting that mounting groove 54 was kept away from to buffer rod 61 has buffer board 64, one side fixed mounting that buffer board 64 is close to heterotypic car piece 5 has the second buffer spring 65 of symmetric distribution, second buffer spring 65 movable sleeve is established on buffer rod 61, and the one end of second buffer spring 65 and heterotypic car piece 5 fixed connection that hinders.

First damper 7 includes first damping spring 71, first damping spring 71 movable sleeve establishes on first rotation pole 23, and first damping spring 71's one end and fixed cylinder 22 fixed connection, first damping spring 71's other end fixed mounting has swivel becket 72, swivel becket 72 activity cup joints on first rotation pole 23, and the opposite side of adjacent swivel becket 72 all rotates with heterotypic car-stopping block 5 to be connected, thereby ensured the normal rotation of heterotypic car-stopping block 5, and provided the guarantee for the synchronous motion of adjacent swivel becket 72, and then can make heterotypic car-stopping block 5 drive adjacent first damping spring 71 and remove in step.

The second damping mechanism 8 comprises an L-shaped sliding plate 81, a side plate 82 and a second rotating rod 83, the L-shaped sliding plate 81 is slidably mounted on the side connecting plate 1, one end of the L-shaped sliding plate 81 is fixedly connected with a second U-shaped plate 84, the second U-shaped plate 84 is movably sleeved on the outer side of the special-shaped car stopping block 5, the side plate 82 is fixedly mounted on the side connecting plate 1, one side of the side plate 82 is fixedly provided with a sliding rod 85, a damping rack 86 is slidably sleeved on the sliding rod 85, a sliding groove 87 is formed in the damping rack 86, the sliding rod 85 is slidably inserted in the sliding groove 87, one end of the damping rack 86 close to the side plate 82 is fixedly connected with a second damping spring 88, the second damping spring 88 is movably sleeved on the sliding rod 85, one end of the second damping spring 88 is fixedly connected with the side plate 82, the second rotating rod 83 is rotatably mounted on the side connecting plate 1, and a damping gear 89 is rotatably sleeved on the outer side of the upper end of the second rotating rod 83, the damper gear 89 is engaged with the adjacent damper rack 86, and is used by the arrangement of the damper gear 89, thereby facilitating the synchronous movement of the adjacent damper racks 86.

The third damping mechanism 9 comprises a damping rod 91, the damping rod 91 is fixedly arranged on the side joint plate 1, a second limiting disc 92 is fixedly arranged at one end of the damping rod 91 far away from the side joint plate 1, a squeezing block 93 far away from the side joint plate 1 can be movably contacted with the second limiting disc 92, the second limiting disc 92 is arranged for use, the extrusion block 93 far away from the side joint plate 1 is limited, thereby avoiding the phenomenon that the extrusion block 93 is separated from the shock absorption rod 91, and the shock-absorbing rod 91 is slidably inserted with the symmetrically arranged extrusion blocks 93, a third shock-absorbing spring 94 is fixedly arranged between the extrusion blocks 93, the third shock-absorbing spring 94 is movably sleeved on the shock-absorbing rod 91, one end of the extrusion block 93 close to the shock-absorbing rack 86 is rotatably connected with a second rotating plate 95, one end of the adjacent second rotating plate 95 is rotatably installed with a receiving plate 96, one side of the receiving plate 96 far away from the shock-absorbing rod 91 is provided with a connecting column 97, and one end of the connecting column 97 is fixedly connected with the shock-absorbing rack 86.

Before the device is used, the compound car arrester needs to be installed, at the moment, the track body 4 can sequentially penetrate through the corresponding Z-shaped plates 31, then the side connecting plates 1 can be fixed on the ground, and a plurality of groups of nuts 34 are sequentially turned until the nuts 34 are tightly attached to the Z-shaped plates 31, so that the track body 4 is fixed on the connecting frame 2, and the connecting stability between the track body 4 and the connecting frame 2 can be effectively improved by matching with the guide rods 33, and the phenomenon that the nuts 34 are loosened due to the fact that a follow-up mine car impacts the special-shaped car arrester 5 for multiple times is avoided;

any one set of hydraulic telescopic rods 53 can then be opened, depending on the actual condition of the double car arrester, so that they push the first rotating plate 51 to rotate through the first U-shaped plate 52, further driving the corresponding special-shaped car stopping block 5 to rotate until the special-shaped car stopping block 5 is clamped on the track body 4, then the compound car arrester can be put into use, when the mine car impacts the corresponding special-shaped car arrester 5 in the using period, will first contact the buffer plate 64 and drive it to move to the side close to the corresponding special-shaped car stopping block 5, thus driving the corresponding buffer rod 61 to move, and pressing the second buffer spring 65, the buffer ring 62 is further driven to move, and the first buffer spring 63 is further extruded, so that the impact force of the mine car on the special-shaped car stopping block 5 can be effectively reduced by means of the elastic forces of the first buffer spring 63 and the second buffer spring 65, and the phenomenon that the special-shaped car stopping block 5 is damaged due to overlarge impact force is avoided;

then the tramcar drives the corresponding special-shaped car stopping block 5 to move, so that the first damping spring 71 close to the tramcar is stretched and extrudes the first damping spring 71 far away from the tramcar, the L-shaped sliding plate 81 is driven to move through the second U-shaped plate 84 during the movement of the special-shaped car stopping block 5, so that the damping rack 86 close to the L-shaped sliding plate 81 is driven to move, and the damping gear 89 is used to drive the other corresponding damping rack 86 to do reverse motion so as to extrude the corresponding second damping spring 88, in addition, the damping rack 86 moves while pulling the corresponding bearing plate 96 through the connecting column 97 so as to drive the corresponding extrusion blocks 93 to do opposite motion through the second rotating plate 95 and extrude the third damping spring 94, so that the reaction force of the special-shaped car stopping block 5 on the tramcar can be effectively reduced by virtue of the elastic force action of the first damping spring 71, the second damping spring 88 and the third damping spring 94, therefore, the mine car can be stably intercepted, the damage of impact on the compound car arrester can be reduced, and the service life of the compound car arrester is prolonged.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.