CN110302527A - A kind of catapult-launching gear - Google Patents

Abstract

The invention discloses a kind of catapult-launching gears, it is related to sphere of life, including fixed column, traction rope, ejector-seat, ball ejection, ejection mechanism and tensioning mechanism, the top of the fixed column is equipped with sphere, the bottom of the ejector-seat is equipped with the spherical groove matched with sphere, the top end face of the ejector-seat is equipped with limiting slot, the ejection mechanism is located in limiting slot, one end of traction rope is connect with ejection mechanism, the other end of traction rope is connect with tensioning mechanism, the device is adjusted the direction of ejector-seat by a people, and ball ejection is placed in limiting slot, tensioning mechanism drives ejection mechanism energy storage, and in tensioning mechanism displacement to the limit, tensioning mechanism loses driving force, the energy release of ejection mechanism storage at this time, ball ejection is launched along the direction of ejector-seat after adjusting, another person judges the direction of ejection and speed of ball ejection at this time, and Ball ejection is struck, can make to cooperate and understand between house person, while the device needs a large amount of body kinematics, enhances physical efficiency.

Description

A kind of catapult-launching gear

Technical field

The present invention relates to sphere of life, in particular to a kind of catapult-launching gear.

Background technique

With the quickening of modern society's life rhythm, operating pressure is increasing, and overtime work frequency is also higher and higher, people's As soon as life style also most of ranges for being retained in two o'clock line, the time After Hours, which also becomes between most of kinsfolks, hands over Influenza feelings loosen the time of mood.

It is found by the applicant that: with the development of network entertainment technologies, often selection passes through net between kinsfolk after work Network game mutually exchanges, and the content of this exchange way only rests on game content, the phase being unfavorable between kinsfolk Mutually understand, while playing games for a long time and influence health.

Summary of the invention

In view of this, it is an object of the invention to propose a kind of catapult-launching gear, to solve in the prior art as network is given pleasure to The development of happy technology often selects mutually to exchange by online game after work between kinsfolk, this exchange way Content only rest on game content, the mutual understanding being unfavorable between kinsfolk, while playing games for a long time and influence body The technical problem of body health.

Based on a kind of above-mentioned purpose catapult-launching gear provided by the invention, including pedestal, fixed column, traction rope, ejector-seat, bullet Ball, ejection mechanism and tensioning mechanism are penetrated, the fixed column and tensioning mechanism are all connected to pedestal, and the top of the fixed column is equipped with Sphere, the bottom of the ejector-seat is equipped with the spherical groove matched with sphere, for making ejector-seat adjust direction, the ejector-seat Top end face be equipped with limiting slot, the ejection mechanism is located in limiting slot, and one end of the traction rope is connect with ejection mechanism, is led The other end of messenger is connect with the tensioning mechanism；In ejection process, the ball ejection is located in limiting slot, tensioning mechanism Ejection mechanism energy storage is driven, and when tensioning mechanism displacement is to an extreme position, tensioning mechanism loses driving force, at this time The energy release of ejection mechanism storage launches ball ejection along the direction of ejector-seat.

Further, the ejection mechanism includes the first spring, ejection block, gag lever post, column and rotor, the ejection The bottom face of block is slidably connected with limiting slot, and one end of the gag lever post is fixedly connected with the side wall of limiting slot, and the limiting slot Side wall be fixedly connected with one end of first spring, the ejection block is slidably connected with gag lever post, first spring It is socketed on gag lever post, the other end of the first spring is connect with ejection block, and for discharging and storing energy, the column is fixed on bullet The upper surface of block is penetrated, the rotor and column are rotatablely connected, and one end of the traction rope and rotor are hinged.

Further, the limiting slot is dovetail groove, and the radius of the ball ejection and the inscribed circle radius of dovetail groove are equal, Move ball ejection along the path of limiting slot in ejection.

Further, a side wall parallel with gag lever post in the limiting slot is equipped with through-hole, and the ball ejection is launching It is preceding to enter in limiting slot from through-hole.

Further, further include storage body, spacing block and sealing, be equipped with storage chamber in the memory bank, memory bank The connection of the profile height of both ends and ejector-seat, and the outlet of storage chamber therein is directed at through-hole, the surface of the memory bank is equipped with Opening and inflating port are equipped with sealing in the opening, and the inflating port is connected by the outlet of tracheae and inflator pump, it is described every It is slidably connected from block and storage chamber, is equipped with limited block between the opening and inflating port.

Further, the sealing includes switchboard and third spring, and a side wall of the opening is equipped in first Slot, the side wall of the first inside groove of face is equipped with the second inside groove in opening, and the switchboard and respectively the first inside groove and the second inside groove are sliding Dynamic connection, the third spring are located in the first inside groove, and one end of third spring is fixedly connected with one end of switchboard, third bullet The other end of spring is fixedly connected with the bottom of the first inside groove, and first inside groove is connected with inflating port.

Further, further include envelope block and the 4th spring, be equipped with open slot, the opening side of the open slot in the envelope block To towards the storage chamber side wall where opening, the envelope block is slidably connected with open slot, the bottom of the envelope block and described the Four springs are fixedly connected, and the other end of the 4th spring is fixedly connected with the bottom of open slot.

Further, the tensioning mechanism includes runner, fixing seat, linkage block, jacking block, linkage post, shaft, motor, square Shape bar, third spring and universal driving shaft, the fixing seat are fixed on pedestal, and the shaft passes through fixing seat, and can be in fixing seat Rotation or sliding, the rectangular shaft are fixedly connected with the other end of shaft, one end key connection of linkage block and shaft, the motor It is fixed on pedestal by motor fixed block, the output shaft of motor is fixedly connected by shaft coupling with the universal driving shaft, described Rectangular channel is equipped in moving axis, the rectangular shaft is slidably connected with rectangular channel, the rectangular shaft socket between the shaft and universal driving shaft Have the third spring, one end of the third spring is fixedly connected with the end of universal driving shaft, the other end of third spring with The end of shaft is fixedly connected, and the runner is between linkage block and fixing seat, and shaft passes through the axle center of runner, in runner Two sides be equipped with the jacking block, the jacking block is fixedly connected with the end face of fixing seat, and the two sides of the shaft are equipped with described Linkage post, the linkage post are fixedly connected with the end face of runner.

Further, the runner is equipped with T shape end towards the side of fixing seat, and the side of the fixing seat is equipped with and T The T-slot of type end rotation connection.

Further, including limited post, the limited post are fixed on pedestal, the ejector-seat when parallel with pedestal, Bottom is equal to the shortest distance of pedestal and the height of limited post.

Beneficial effects of the present invention: use a kind of catapult-launching gear of the invention, the device can be used as between kinsfolk Ball ejection is placed in limiting slot then in ejection process by the direction that a people adjusts ejector-seat by game station After Hours Interior, tensioning mechanism drives ejection mechanism energy storage, and when tensioning mechanism displacement is to an extreme position, tensioning mechanism is lost Driving force, the energy release of ejection mechanism storage at this time launch ball ejection along the direction of ejector-seat after adjusting, another at this time Individual judges the direction of ejection and speed of ball ejection in time, and ball ejection is struck, and by aforesaid operations, on the one hand can make house It is cooperated between the personnel of front yard, is conducive to the mutual understanding between kinsfolk, while the device needs a large amount of body kinematics, Enhance body physical efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the specific embodiment of the embodiment of the present invention；

Fig. 2 is the structural schematic diagram of tensioning mechanism in the specific embodiment of the embodiment of the present invention；

Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；

Fig. 4 is the top view of ejector-seat in the specific embodiment of the embodiment of the present invention；

Fig. 5 is the enlarged drawing of sealing in the specific embodiment of the embodiment of the present invention；

Fig. 6 is the enlarged drawing of spacing block in the specific embodiment of the embodiment of the present invention；

Fig. 7 is the front view of limiting slot in the specific embodiment of the embodiment of the present invention.

Wherein, 1- pedestal, 2- runner, 3- fixing seat, 4- traction rope, 5- ejector-seat, 6- linkage block, 7- jacking block, 8- linkage Column, 9- shaft, 10- spherical groove, 11- sphere, the first spring of 12-, 13- limited post, 14- limiting slot, 15- ejection block, 16- limit Bar, 17- column, 18- rotor, 19- through-hole, 20- ball ejection, 21-T shape end, 22-T shape slot, 23- motor, 24- rectangular channel, 25- rectangular shaft, 26- third spring, 27- universal driving shaft, 28- storage body, 29- storage chamber, 30- inflating port, 31- spacing block, 32- are opened Mouth, 33- switchboard, the first inside groove of 34-, the second inside groove of 35-, 36- open slot, 37- envelope block, 38- third spring, 39- fixed column, The 4th spring of 40-, 41- limited block.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in more detail.

Based on above-mentioned purpose, the first aspect of the invention proposes an a kind of embodiment of catapult-launching gear, such as schemes Shown in 1, including pedestal 1, fixed column 39, traction rope 4, ejector-seat 5, ball ejection 20, ejection mechanism and tensioning mechanism, fixed column 39 It is all connected to pedestal 1 with tensioning mechanism, the top of fixed column 39 is equipped with sphere 11, and the bottom of ejector-seat 5 is equipped with and 11 phase of sphere The spherical groove 10 of cooperation, for making ejector-seat 5 adjust direction, the top end face of ejector-seat 5 is equipped with limiting slot 14, and ejection mechanism is located at In limiting slot 14, one end of traction rope 4 is connect with ejection mechanism, and the other end of traction rope 4 is connect with tensioning mechanism；The device can As the game station between kinsfolk after work, the direction of ejector-seat 5 is adjusted by a people, then in ejection process, Ball ejection 20 is placed in limiting slot 14, tensioning mechanism drives ejection mechanism energy storage, and in tensioning mechanism displacement to one When extreme position, tensioning mechanism loses driving force, at this time ejection mechanism storage energy release, by ball ejection 20 along adjusting after The direction of ejector-seat 5 is launched, and another person judges the direction of ejection and speed of ball ejection 20 in time at this time, and ball ejection 20 is hit It beats, by aforesaid operations, on the one hand can make to cooperate between house person, be conducive to mutual between kinsfolk Solution, while the device needs a large amount of body kinematics, enhances body physical efficiency.In addition, further including limited post in the present embodiment 13, limited post 13 is fixed on pedestal 1, and ejector-seat 5 is when parallel with pedestal 1, the shortest distance and limited post of bottom to pedestal 1 13 height is equal, and limited post 13 is located at the side for placing ball ejection 20, mainly makes ejector-seat 5 in adjustment direction in this way, Ejector-seat 5 is limited, avoids ejector-seat 5 after adjustment direction, it, can be in self gravity when ball ejection 20 is not emitted by ejection mechanism Under along limiting slot 14 slide.

As another embodiment of the invention, as shown in Figure 1, ejection mechanism includes the first spring 12, ejection block 15, limit The bottom face of position bar 16, column 17 and rotor 18, ejection block 15 is slidably connected with limiting slot 14, one end of gag lever post 16 and limit The side wall of position slot 14 is fixedly connected, and the side wall of the limiting slot 14 is fixedly connected with one end of the first spring 12, launch block 15 and Gag lever post 16 is slidably connected, and the first spring 12 is socketed on gag lever post 16, and the other end of the first spring 12 connect with ejection block 15, uses In discharging and storing energy, column 17 is fixed on the upper surface of ejection block 15；Rotor 18 and column 17 are rotatablely connected, traction rope 4 one end and rotor 18 are hinged, for ejector-seat 5 when adjusting the direction of ejector-seat 5, can be made in level angle and vertically Angle, traction rope 4 move in the drive drop-down of tensioning mechanism and penetrate block 15 and overcome in limiting slot 14 along the direction of gag lever post 16 The elastic force of first spring 12 carries out energy storage, the adjustable ejector-seat 5 of a people in this thermal energy storage process, in kinsfolk Direction, when tensioning mechanism moves to extreme position, the driving force of tensioning mechanism disappears, and acts in the elastic force of the first spring 12 Under, ejection block 15 is moved along gag lever post 16, and gives ball ejection 20 1 initial velocity pop-ups.In the present embodiment, such as Fig. 7 institute Show, limiting slot 14 is dovetail groove, and the radius of ball ejection 20 and the inscribed circle radius of dovetail groove are equal, can limit ball ejection in this way 20, ball ejection 20 will not be fallen when not launching from limiting slot 14, while make ball ejection 20 in ejection along limiting slot 14 Path movement.In addition as shown in figure 4, a side wall parallel with gag lever post 16 in limiting slot 14 is equipped with through-hole 19, ball ejection 20 enter in limiting slot 14 before ejection from through-hole 19.

As another embodiment of the invention, in the above-described embodiments, as shown in figure 4, further including storage body 28, isolation Block 31 and sealing, memory bank 28 is interior to be equipped with storage chamber 29, and the both ends of memory bank 28 are connect with the profile height of ejector-seat 5, and The outlet of storage chamber 29 therein is directed at through-hole 19, and the surface of memory bank 28 is equipped with opening 32 and inflating port 30 as shown in Figure 5, Sealing is equipped in opening 32, inflating port 30 is connected by the outlet of tracheae and inflator pump, and spacing block 31 and storage chamber 29 slide Connection is equipped with limited block 41 as shown in Figure 5 between opening 32 and inflating port 30, limited block 41 is for preventing spacing block 31 from existing The position that inflating port 30 is slid into storage chamber 29 makes inflating port and ball ejection 20 be located at the same side of spacing block 31, causes When air-pump inflating, ball ejection 20 can not be pushed by spacing block 31.Due to person who happens to be on hand for an errand's work of every ejection go plus a ball ejection 20, it can thus make the operability of the device not high, influence operating experience, therefore in the present embodiment, kinsfolk can will be more A ball ejection 20 is put into storage chamber 29 from opening 32, can disposably be put into multiple ball ejections in ejection mechanism in this way 20, after piling, opening 32 is sealed by sealing, in ejection, air pump work makes inflating port 30 between spacing block 31 It is full of pressure in storage chamber 29, to push ball ejection 20 by spacing block 31, makes it in an ejection process, pushes wherein A ball ejection 20 by through-hole 19 enter limiting slot 14 in, increase the operability of device.

In the above-described embodiments, it as shown in figure 5, sealing includes switchboard 33 and third spring 38, is open one of 32 Side wall is equipped with the first inside groove 34, and the side wall of the first inside groove of face 34 is equipped with the second inside groove 35, switchboard 33 and difference in opening 32 First inside groove 34 and the second inside groove 35 are slidably connected, and third spring 38 is located in the first inside groove 34, one end of third spring 38 with One end of switchboard 33 is fixedly connected, and the other end of third spring 33 is fixedly connected with the bottom of the first inside groove 34, the first inside groove 34 are connected with inflating port 30, and the sealing is when air pump is non-aerating, under the action of third spring 38, Drawing switch plate 33 from It is detached from, and is contracted in the first inside groove 34 completely in second inside groove 32, in air-pump inflating, while spacing block 31 moves, gas Body enters the elastic force that pull switch plate 33 in the first inside groove 34 overcomes third spring 38, and switchboard 33 is made to move to the second inside groove 35 In.Since there is a certain distance at the edge of switchboard 33 to opening 32, in this way when isolation board 31 moves to opening 32, spacing block 31 to certain gap is had between switchboard 33, will cause air pressure leakage in this way, it is possible to can not continue to press on ball ejection 20 Herein as shown in fig. 6, further including envelope block 37 and the 4th spring 40, open slot therefore is equipped in envelope block 37 with switchboard 33 36,29 side wall of storage chamber where the opening direction towards opening 32 of open slot 36, envelope block 37 is slidably connected with open slot 36, seals The bottom of block 37 is fixedly connected with the 4th spring 40, and the other end of the 4th spring 40 is fixedly connected with the bottom of open slot 36, this When sample makes spacing block 31 move to 32 position of opening, under the action of the 4th spring 40, contact envelope block 37 with spacing block 31, it will Gap closing.

As another embodiment of the invention, in the above-described embodiments, as shown in Fig. 2, tensioning mechanism include runner 2, Fixing seat 3, linkage block 6, jacking block 7, linkage post 8, shaft 9, motor 23, rectangular shaft 25, third spring 26 and universal driving shaft 27, it is fixed Seat 3 is fixed on pedestal 1, and shaft 9 passes through fixing seat 3, and can rotate or slide in fixing seat 3, and rectangular shaft 25 is another with shaft 9 One end is fixedly connected, and one end of linkage block 6 and shaft 9 is keyed, and motor 23 is fixed on pedestal 1, motor by motor fixed block 23 output shaft is fixedly connected by shaft coupling with universal driving shaft 27, and rectangular channel 24 as shown in Figure 3, rectangle are equipped in universal driving shaft 27 Bar 25 is slidably connected with rectangular channel 24, and the rectangular shaft 25 between shaft 9 and universal driving shaft 27 is socketed with third spring 26, third spring 26 one end is fixedly connected with the end of universal driving shaft 27, and the other end of third spring 26 is fixedly connected with the end of shaft 9, runner 2 between linkage block 6 and fixing seat 3, and shaft 9 passes through the axle center of runner 2, is equipped with jacking block 7, jacking block 7 in the two sides of runner 2 It is fixedly connected with the end face of fixing seat 3, the two sides of shaft 9 are equipped with linkage post 8, and linkage post 8 is fixedly connected with the end face of runner 2. When motor 23 starts herein, universal driving shaft 27 is driven to rotate, when universal driving shaft 27 rotates, drives shaft 9 to rotate by rectangular shaft 25, When shaft 9 rotates, linkage block 6 is driven to move, linkage block 6 moves to when contacting with linkage post 8, and runner 2 can be driven to rotate, and turns Wheel 2 moves ejection mechanism energy storage by traction rope 4, when linkage block 6 drives runner 2 to move to jacking block 7, the height meeting of jacking block 7 The top that driving linkage block 6 makes shaft 9 overcome the pulling motion of third spring 26 to jacking block 7, at this point, linkage post 8 can be with linkage Block 6 separates, and after the two separation, ejection mechanism releases energy, and pulls runner 2 to rotate by traction rope 4, when linkage block 6 continues to turn It is dynamic, under the action of third spring 26, make it after separating with jacking block 7, linkage block 6 can be contacted with another linkage post 8 again, Ejection mechanism energy storage can be allowed again at this time.As shown in Fig. 2, runner 2 is equipped with T shape end 21, fixing seat 3 towards the side of fixing seat 3 Side be equipped with the T-slot that be rotatablely connected with T-type end 21, so that runner 2 is kept stabilization.

It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments Or it can also be combined between the technical characteristic in different embodiments, and there are different aspects present invention as described above Many other variations, in order to it is concise they do not provided in details.Therefore, all within the spirits and principles of the present invention, Any omission, modification, equivalent replacement, improvement for being made etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of catapult-launching gear, it is characterised in that: including pedestal (1), fixed column (39), traction rope (4), ejector-seat (5), ejection Ball (20), ejection mechanism and tensioning mechanism, the fixed column (39) and tensioning mechanism are all connected to pedestal (1), the fixed column (39) top is equipped with sphere (11), and the bottom of the ejector-seat (5) is equipped with the spherical groove (10) matched with sphere (11), uses In making ejector-seat (5) to adjust direction, the top end face of the ejector-seat (5) is equipped with limiting slot (14), and the ejection mechanism is located at limit In position slot (14), one end of the traction rope (4) is connect with ejection mechanism, the other end of traction rope (4) and the fastener Structure connection；In ejection process, the ball ejection (20) is located in limiting slot (14), and tensioning mechanism drives ejection mechanism energy storage, And when tensioning mechanism displacement is to an extreme position, tensioning mechanism loses driving force, the energy of ejection mechanism storage at this time Amount release launches ball ejection (20) along the direction of ejector-seat (5).

2. a kind of catapult-launching gear according to claim 1, it is characterised in that: the ejection mechanism includes the first spring (12), block (15), gag lever post (16), column (17) and rotor (18), the bottom face of ejection block (15) and limit are launched Slot (14) is slidably connected, and one end of the gag lever post (16) is fixedly connected with the side wall of limiting slot (14), and the limiting slot (14) Side wall be fixedly connected with one end of first spring (12), the ejection block (15) is slidably connected with gag lever post (16), First spring (12) is socketed on gag lever post (16), and the other end of the first spring (12) is connect with ejection block (15), for releasing Energy is put and stores, the column (17) is fixed on the upper surface of ejection block (15), and the rotor (18) and column (17) turn Dynamic connection, one end and rotor (18) of the traction rope (4) are hinged.

3. a kind of catapult-launching gear according to claim 2, it is characterised in that: the limiting slot (14) is dovetail groove, described The radius of ball ejection (20) is equal with the inscribed circle radius of dovetail groove, makes ball ejection (20) in ejection along limiting slot (14) Path movement.

4. a kind of catapult-launching gear according to claim 2, it is characterised in that: in the limiting slot (14) with gag lever post (16) A parallel side wall is equipped with through-hole (19), and the ball ejection (20) enters in limiting slot (14) before ejection from through-hole (19).

5. a kind of catapult-launching gear according to claim 4, it is characterised in that: further include storage body (28), spacing block (31) And sealing, the memory bank (28) is interior to be equipped with storage chamber (29), the both ends of memory bank (28) and the profile height of ejector-seat (5) Connection, and the outlet of storage chamber therein (29) is directed at through-hole (19), the surface of the memory bank (28) be equipped with opening (32) and Inflating port (30), the opening (32) is interior to be equipped with sealing, and the inflating port (30) is connected by the outlet of tracheae and inflator pump, The spacing block (31) is slidably connected with storage chamber (29), and limited block is equipped between opening (32) and the inflating port (30) (41)。

6. a kind of catapult-launching gear according to claim 5, it is characterised in that: the sealing includes switchboard (33) and One side wall of three springs (38), the opening (32) is equipped with the first inside groove (34), the first inside groove of face (34) in opening (32) Side wall be equipped with the second inside groove (35), the switchboard (33) and respectively the first inside groove (34) and the second inside groove (35) sliding company It connects, the third spring (38) is located in the first inside groove (34), and one end of third spring (38) and the one end of switchboard (33) are solid Fixed connection, the other end of third spring (33) are fixedly connected with the bottom of the first inside groove (34), first inside groove (34) with fill Port (30) is connected.

7. a kind of catapult-launching gear according to claim 5, it is characterised in that: further include envelope block (37) and the 4th spring (40), open slot (36) are equipped in the envelope block (37), where the opening direction towards opening (32) of the open slot (36) Storage chamber (29) side wall, the envelope block (37) are slidably connected with open slot (36), the bottom of the envelope block (37) and described the Four springs (40) are fixedly connected, and the other end of the 4th spring (40) is fixedly connected with the bottom of open slot (36).

8. a kind of catapult-launching gear according to claim 1, it is characterised in that: the tensioning mechanism includes runner (2), fixes Seat (3), linkage block (6), jacking block (7), linkage post (8), shaft (9), motor (23), rectangular shaft (25), third spring (26) and Universal driving shaft (27), the fixing seat (3) are fixed on pedestal (1), and the shaft (9) passes through fixing seat (3), and can be in fixing seat (3) rotation or sliding, the rectangular shaft (25) are fixedly connected with the other end of shaft (9) in, linkage block (6) and shaft (9) One end key connection, the motor (23) are fixed on pedestal (1) by motor fixed block, and the output shaft of motor (23) passes through shaft coupling It is fixedly connected with the universal driving shaft (27), rectangular channel (24), the rectangular shaft (25) and square is equipped in the universal driving shaft (27) Shape slot (24) is slidably connected, and the rectangular shaft (25) between the shaft (9) and universal driving shaft (27) is socketed with the third spring (26), one end of the third spring (26) is fixedly connected with the end of universal driving shaft (27), the other end of third spring (26) with The end of shaft (9) is fixedly connected, and the runner (2) is located between linkage block (6) and fixing seat (3), and shaft (9) passes through and turns The axle center for taking turns (2) is equipped with the jacking block (7) in the two sides of runner (2), and the jacking block (7) and the end face of fixing seat (3) are fixed Connection, the two sides of the shaft (9) are equipped with the linkage post (8), the fixed company in the end face of the linkage post (8) and runner (2) It connects.

9. a kind of catapult-launching gear according to claim 9, it is characterised in that: side of the runner (2) towards fixing seat (3) Face is equipped with T shape end (21), and the side of the fixing seat (3) is equipped with the T-slot being rotatablely connected with T-type end (21).

10. a kind of catapult-launching gear according to claim 1, it is characterised in that: including limited post (13), the limited post (13) be fixed on pedestal (1), the ejector-seat (5) when parallel with pedestal (1), the shortest distance of bottom to pedestal (1) with The height of limited post (13) is equal.