Disclosure of Invention
The invention aims to provide a railway signal equipment protection device, which has the beneficial effect that the device can be buffered when the device is impacted to generate large-amplitude inclination.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a railway signal equipment protector, includes U type base, cross recess, loop bar, groove seat, connecting rod and triangle-shaped kicking block, the both ends of U type base be equipped with a cross recess respectively, the groove seat is provided with two, two groove seat symmetry sliding connection are in two cross recesses, a loop bar of fixed connection respectively on the interior terminal surface of two cross recesses, two cross recesses sliding connection respectively are on even a loop bar, overlap respectively on two loop bars and establish a first spring, the all fixed connection of the inner of two first springs is on U type base, the outer end of two first springs is fixed connection respectively on two groove seats, a connecting rod of fixed connection respectively on two groove seats, triangle-shaped kicking block of the inner fixed connection respectively of two connecting rods.
A railway signal equipment protector still include the guide arm, first lead screw, first motor, triangle-shaped bottom block, the bottom plate, the apparatus further comprises a rotating shaft, the limit piece, the third motor, first gear and second gear, guide arm fixed connection is on U type base, first lead screw rotates to be connected on U type base, first lead screw fixed connection is on the output shaft of first motor, first motor fixed connection is on U type base, limit piece is fixed connection respectively at the both ends of pivot, one of them limit piece sliding connection is on the guide arm, another limit piece threaded connection is on the bottom plate, third motor fixed connection is on a limit piece, third motor output shaft fixed connection first gear, first gear is connected with the meshing transmission of second gear, second gear and bottom plate all fixed connection are in the pivot, the lower extreme of bottom plate is equipped with two triangle-shaped bottom blocks.
The railway signal equipment protecting device further comprises a bidirectional screw and a second motor, two transverse sliding grooves are formed in the lower end of the bottom plate, two triangular bottom blocks are respectively connected into the two transverse sliding grooves in a sliding mode, the two triangular bottom blocks are respectively connected to the two ends of the bidirectional screw in a threaded mode, the bidirectional screw is fixedly connected to an output shaft of the second motor, and the second motor is fixedly connected to the bottom plate.
The railway signal equipment protecting device further comprises side top plates, hinged arms, column rods, square rods, rod frames and baffle plates, wherein the hinged arms are provided with two hinged arms, the two hinged arms are respectively and rotatably connected to the two groove seats, the upper ends of the two hinged arms are respectively and rotatably connected with one side top plate, the lower ends of the two hinged arms are respectively and slidably connected with one column rod, the two column rods are respectively and fixedly connected to the two square rods, the two square rods are respectively and slidably connected to the two rod frames, the two rod frames are respectively and fixedly connected to the two groove seats, the two square rods are respectively and fixedly connected with one baffle plate, and the two square rods are respectively sleeved with one second spring; two ends of the second spring are respectively and fixedly connected with the baffle and the rod frame; and the two rod frames are respectively in threaded connection with a screwing screw.
A railway signal equipment protector still include dual output shaft motor, the second lead screw, the slider, the guide arm, the driving lever, channel bar and splint, the both ends of two side roof are rotated respectively and are connected a splint, the outer end of four splint is fixed connection channel bar respectively, a driving lever of sliding connection respectively in four channel bars, four driving levers are fixed connection respectively on four sliders, four sliders are sliding connection respectively at the both ends of two guide arms, four sliders are threaded connection respectively on four second lead screws, four second lead screws are fixed connection respectively on the output shaft at two dual output shaft motor both ends, two dual output shaft motor are fixed connection respectively on two side roof.
A railway signal equipment protector still include the balladeur train, the linkage piece, the axostylus axostyle, the third gear, the rack, electric putter, preceding footstock and L type frame, balladeur train fixed connection is on U type base, linkage piece of the both ends difference sliding connection of balladeur train, fixed connection axostylus axostyle between two linkage pieces, third gear fixed connection is on the axostylus axostyle, third gear and rack toothing transmission are connected, rack fixed connection is on the balladeur train, electric putter's flexible fixed connection is on a linkage piece, L type frame fixed connection is on the axostylus axostyle, preceding footstock sets up the lower extreme at L type frame.
The railway signal equipment protecting device further comprises round rods, a spring seat, a groove block, a third lead screw and a fourth motor, wherein the two round rods are fixedly connected to the front top seat, the two round rods are fixedly connected to the spring seat, the groove block is slidably connected to the lower end of the L-shaped frame, the groove block is in threaded connection with the third lead screw, the third lead screw is fixedly connected to an output shaft of the fourth motor, the fourth motor is fixedly connected to the L-shaped frame, and the two round rods are respectively sleeved with a third spring; and two ends of the third spring are respectively and fixedly connected with the front top seat and the spring seat.
A railway signal equipment protector still include back roof, L type frame, slide bar and pole frame, pole frame fixed connection is in the rear end of U type base, slide bar sliding connection is on the pole frame, the both ends of L type frame fixed connection slide bar and back roof respectively, the cover is established the fourth spring on the slide bar, the both ends of fourth spring fixed connection pole frame and L type frame respectively.
The railway signal equipment protecting device further comprises sliding sleeves and stop rods, two ends of the U-shaped base are fixedly connected with the sliding sleeves respectively, the stop rods are movably connected in the two sliding sleeves respectively, the two sliding sleeves are in threaded connection with screwing screws respectively, and the two stop rods are stopped at the inner ends of the two rod frames respectively.
The railway signal equipment protection device has the beneficial effects that:
the invention relates to a railway signal equipment protection device which can buffer the device when the device is impacted to generate large-amplitude inclination. The square signal equipment can be installed, and the column-shaped signal equipment can also be installed; the two groove rods respectively drive the two clamping plates to rotate inwards or open outwards, when the two clamping plates rotate inwards to form a certain angle, the two groove rods can be used for fixing and clamping columnar signal equipment or signal equipment with an arc-shaped end face, the angle between the two clamping plates is adjustable, and the clamping device is suitable for columnar equipment with different diameters or radians; when the two clamping plates rotate outwards to be in the same horizontal plane with the side top plate, the surface area of the side top plate is increased, so that the side top plate is increased in stress area when supporting and protecting square signal equipment, and the equipment is more stable.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the electrical components that appear in this application all external intercommunication power and control switch when using.
The invention is described in further detail below with reference to figures 1-8 and the detailed description.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-8, a railway signal equipment protector comprises a U-shaped base 1, cross grooves 1-4, loop bars 1-5, groove seats 5, connecting rods 5-1 and triangular top blocks 5-2, wherein two ends of the U-shaped base 1 are respectively provided with one cross groove 1-4, two groove seats 5 are arranged, the two groove seats 5 are symmetrically and slidably connected into the two cross grooves 1-4, the inner end surfaces of the two cross grooves 1-4 are respectively and fixedly connected with one loop bar 1-5, the two cross grooves 1-4 are respectively and slidably connected onto one loop bar 1-5, the two loop bars 1-5 are respectively sleeved with one first spring, the inner ends of the two first springs are both fixedly connected onto the U-shaped base 1, the outer ends of the two first springs are respectively and fixedly connected onto the two groove seats 5, the two groove seats 5 are respectively and fixedly connected with a connecting rod 5-1, and the inner ends of the two connecting rods 5-1 are respectively and fixedly connected with a triangular top block 5-2. When the signal equipment is used, inward thrust is given to the groove seat 5 and the triangular top block 5-2 under the elastic force action of the first spring, when the signal equipment on the U-shaped base 1 is inclined due to large impact, the signal equipment can be contacted with the triangular top block 5-2 and outwards abut against the triangular top block 5-2, so that the first spring is compressed to buffer the impact force, and the signal equipment is protected, and because the positions of the two triangular top blocks 5-2 are positioned at the left end and the right end of the lower end of the U-shaped base 1, the signal equipment can be contacted with the triangular top block 5-2 only when the inclination amplitude of the signal equipment is large, the triangular top block 5-2 is triggered to buffer the signal equipment.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 8, the railway signal equipment protecting device further includes a guide rod 1-1, a first lead screw 1-2, a first motor 1-3, a triangular bottom block 2, a bottom plate 2-2, a rotating shaft 2-4, an edge block 2-5, a third motor 2-6, a first gear 2-7 and a second gear 2-8, the guide rod 1-1 is fixedly connected to the U-shaped base 1, the first lead screw 1-2 is rotatably connected to the U-shaped base 1, the first lead screw 1-2 is fixedly connected to an output shaft of the first motor 1-3, the first motor 1-3 is fixedly connected to the U-shaped base 1, two ends of the rotating shaft 2-4 are respectively fixedly connected to one edge block 2-5, one edge block 2-5 is slidably connected to the guide rod 1-1, the other side block 2-5 is in threaded connection with the bottom plate 2-2, the third motor 2-6 is fixedly connected with one side block 2-5, an output shaft of the third motor 2-6 is fixedly connected with the first gear 2-7, the first gear 2-7 is in meshed transmission connection with the second gear 2-8, the second gear 2-8 and the bottom plate 2-2 are both fixedly connected with the rotating shaft 2-4, and the lower end of the bottom plate 2-2 is provided with two triangular bottom blocks 2. A higher square signal device or a signal device with an arc-shaped end face is placed flat, the center of the placed flat device can be lowered, the stability during installation is guaranteed, the placed flat device is pushed to two triangular bottom blocks 2, the top faces of the two triangular bottom blocks 2 are inclined, the signal device is conveniently pushed upwards, after the bottom face of the signal device is contacted with the bottom plate 2-2, a third motor 2-6 is started to drive a second gear 2-8 to rotate through a first gear 2-7, the second gear 2-8 drives the bottom plate 2-2 to rotate upwards through a rotating shaft 2-4, the bottom plate 2-2 drives a square or cylindrical signal device supported by the two triangular bottom blocks 2 to rotate upwards by 90 degrees to a vertical state, and a first motor 1-3 is started to drive the vertical signal device to move towards the center of the device through a first lead screw 1-2, the stable installation of higher signal equipment is realized, the process of manual work of higher or heavier signal equipment is saved, and square signal equipment can be installed, and column-type signal equipment can also be installed.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 8, and the railway signal equipment protecting device further includes a bidirectional screw 2-1 and a second motor 2-3, the lower end of the bottom plate 2-2 is provided with two horizontal sliding grooves, two triangular bottom blocks 2 are respectively slidably connected in the two horizontal sliding grooves, the two triangular bottom blocks 2 are respectively and threadedly connected to two ends of the bidirectional screw 2-1, the bidirectional screw 2-1 is fixedly connected to an output shaft of the second motor 2-3, and the second motor 2-3 is fixedly connected to the bottom plate 2-2. The second motor 2-3 starts to drive the two triangular bottom blocks 2 to slide in opposite directions or deviate from the sliding direction through the two-way screw rod 2-1, so that the distance between the two triangular bottom blocks 2 is changed, the installation device is suitable for installation of square or column-shaped signal devices of different sizes, when the column-shaped device is installed, the horizontal bottom surface of the column-shaped device is placed corresponding to the bottom plate 2-2, the arc-shaped end surface of the column-shaped end surface is located between the two triangular bottom blocks 2, so that when the triangular bottom blocks 2 rotate upwards, the column-shaped device cannot move left and right, and the stable driving device is rotated to a vertical state.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1-8, the railway signal equipment protecting device further includes two side top plates 3, two articulated arms 4, two posts 4-1, two square bars 4-2, two bar frames 4-3, and two blocking plates 4-4, the two articulated arms 4 are respectively rotatably connected to two slot seats 5, the upper ends of the two articulated arms 4 are respectively rotatably connected to one side top plate 3, the lower ends of the two articulated arms 4 are respectively slidably connected to one post 4-1, the two posts 4-1 are respectively fixedly connected to the two square bars 4-2, the two square bars 4-2 are respectively slidably connected to the two bar frames 4-3, the two bar frames 4-3 are respectively fixedly connected to the two slot seats 5, the two square bars 4-2 are respectively fixedly connected to one blocking plate 4-4, the two square rods 4-2 are respectively sleeved with a second spring; two ends of the second spring are respectively and fixedly connected with a baffle 4-4 and a rod frame 4-3; the two bar frames 4-3 are respectively connected with a screwing screw in a threaded manner. The column rod 4-1 is provided with a right thrust under the action of the elastic force of the second spring, the column rod 4-1 enables the side top plate 3 to have a right thrust through the hinge arm 4, so that the two side top plates 3 can tightly abut against two ends of the signal equipment to support the left end and the right end of the signal equipment, when the signal equipment is impacted to incline, the signal equipment abuts against the side top plate 3 to compress the second spring, so that the impact force is buffered for the first time, when the signal equipment continuously inclines to be in contact with the triangular top block 5-2, the triangular top block 5-2 buffers the signal equipment for the second time, so that the signal equipment is protected to the maximum extent, the signal equipment is prevented from inclining and transiting to topple and damage, the two square rods 4-2 are pulled outwards to drive the two triangular top blocks 5-2 to move outwards, and the screwing screw screws abut against the square rods 4-2 to fix the positions of the triangular top blocks 5-2, the installation of the signal equipment is convenient; the side top plate 3 is rotatably connected with the hinged arm 4, so that when the signal equipment is inclined, the side top plate 3 is always attached to the surface of the signal equipment, the contact area is guaranteed to be unchanged, the stability is improved when the equipment is protected, and secondly, the side top plate 3 can be attached to the signal equipment on different inclined planes to protect the signal equipment.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1-8, the railway signal equipment protecting device further includes a dual-output-shaft motor 3-1, a second lead screw 3-2, a slider 3-3, guide rods 3-4, a shift lever 3-5, slot rods 3-6 and clamp plates 3-7, two ends of two side top plates 3 are respectively rotatably connected with one clamp plate 3-7, outer ends of four clamp plates 3-7 are respectively fixedly connected with one slot rod 3-6, a shift lever 3-5 is respectively slidably connected in four slot rods 3-6, four shift levers 3-5 are respectively fixedly connected to four sliders 3-3, four sliders 3-3 are respectively slidably connected to two ends of two guide rods 3-4, four sliders 3-3 are respectively threadedly connected to four second lead screws 3-2, the four second screw rods 3-2 are respectively and fixedly connected to output shafts at two ends of the two double-output-shaft motors 3-1, and the two double-output-shaft motors 3-1 are respectively and fixedly connected to the two side top plates 3. The double-output-shaft motor 3-1 is started to drive the two sliding blocks 3-3 to approach or separate from each other through the two second screw rods 3-2, the two sliding blocks 3-3 drive the two groove rods 3-6 to rotate through the deflector rod 3-5 respectively, the two groove rods 3-6 drive the two clamping plates 3-7 to rotate inwards or open outwards respectively, when the two clamping plates 3-7 rotate inwards to form a certain angle, the double-output-shaft motor can be used for fixing a signal device for clamping a column or a signal device for an arc-shaped end face, and the angle between the two clamping plates 3-7 is adjustable, so that the double-output-shaft motor is suitable for column devices with different diameters or radians; when the two clamping plates 3-7 are rotated outwards to be in the same horizontal plane with the side top plate 3, the surface area of the side top plate 3 is increased, so that the stressed area is increased when the side top plate 3 supports and protects square signal equipment, and the equipment is more stable.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1-8, the railway signal equipment protecting device further includes a carriage 6, a linkage block 6-1, a shaft lever 6-2, a third gear 6-3, a rack 6-4, an electric push rod 6-5, a front top seat 7 and an L-shaped frame 7-6, the carriage 6 is fixedly connected to the U-shaped base 1, two ends of the carriage 6 are respectively connected to the linkage block 6-1 in a sliding manner, the shaft lever 6-2 is fixedly connected between the two linkage blocks 6-1, the third gear 6-3 is fixedly connected to the shaft lever 6-2, the third gear 6-3 is in meshing transmission connection with the rack 6-4, the rack 6-4 is fixedly connected to the carriage 6, the electric push rod 6-5 is fixedly connected to the carriage 6, and the telescopic end of the electric push rod 6-5 is fixedly connected to the linkage block 6-1, the L-shaped frame 7-6 is fixedly connected to the shaft lever 6-2, and the front top seat 7 is arranged at the lower end of the L-shaped frame 7-6. The electric push rod 6-5 is started to retract, the shaft lever 6-2 and the third gear 6-3 are driven to move leftwards through the linkage block 6-1, the third gear 6-3 is in meshed transmission connection with the rack 6-4 to drive the third gear 6-3 to rotate, the third gear 6-3 drives the shaft lever 6-2 to rotate, the shaft lever 6-2 drives the L-shaped frame 7-6 to rotate upwards, and the L-shaped frame 7-6 drives the front top seat 7 to move backwards while rotating upwards, so that the front end of the device is opened, and signal equipment is convenient to install; when the front top seat 7 needs to fall down, the electric push rod 6-5 is started to extend out to drive the front top seat 7 to move forwards and rotate downwards to the front end of the equipment so as to block the front end of the equipment.
The seventh embodiment:
the embodiment is described below with reference to fig. 1-8, the railway signal equipment protection device further comprises a round rod 7-1 and a spring seat 7-2, the groove block 7-3, the third screw rod 7-4 and the fourth motor 7-5 are fixedly connected to the front top seat 7, the two round rods 7-1 are fixedly connected to the spring seat 7-2, the groove block 7-3 is slidably connected to the lower end of the L-shaped frame 7-6, the groove block 7-3 is in threaded connection with the third screw rod 7-4, the third screw rod 7-4 is fixedly connected to an output shaft of the fourth motor 7-5, the fourth motor 7-5 is fixedly connected to the L-shaped frame 7-6, and the two round rods 7-1 are respectively sleeved with a third spring; and two ends of the third spring are respectively and fixedly connected with the front top seat 7 and the spring seat 7-2. The middle part of the front top seat 7 is sunken inwards, so that the middle part of the front top seat 7 can be supported on the end face of an arc-shaped signal device, two ends of the front top seat 7 can be supported on a planar signal device, the front top seat 7 has inward thrust by a third spring, and when the device moves forwards after receiving impact, the third spring buffers the impact force; the fourth motor 7-5 is started to drive the groove block 7-3 to move up and down through the third screw rod 7-4, and the groove block 7-3 drives the front footstock 7 to move up and down, so that the equipment with different heights can be protected or the equipment can be jacked at different positions.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 8, and the railway signal equipment protective device further includes a rear top plate 8, an L-shaped frame 8-1, a sliding rod 8-2 and a rod frame 8-3, wherein the rod frame 8-3 is fixedly connected to the rear end of the U-shaped base 1, the sliding rod 8-2 is slidably connected to the rod frame 8-3, two ends of the L-shaped frame 8-1 are respectively and fixedly connected to the sliding rod 8-2 and the rear top plate 8, the sliding rod 8-2 is sleeved with a fourth spring, and two ends of the fourth spring are respectively and fixedly connected to the rod frame 8-3 and the L-shaped frame 8-1. When the first lead screw 1-2 rotates to drive the equipment to move backwards and abut against the rear top plate 8, the fourth spring gives inward thrust to the rear top plate 8 and abuts against the rear end face of the equipment, and when the equipment moves backwards under impact, the fourth spring buffers the impact force.
The specific implementation method nine:
the embodiment is described below with reference to fig. 1 to 8, the railway signal equipment protecting device further includes sliding sleeves 1 to 6 and stop levers 1 to 7, two ends of the U-shaped base 1 are respectively fixedly connected with the sliding sleeves 1 to 6, two stop levers 1 to 7 are respectively movably connected in the two sliding sleeves 1 to 6, the two sliding sleeves 1 to 6 are respectively in threaded connection with a screwing screw, the two stop levers 1 to 7 are respectively stopped at inner ends of the two lever frames 4 to 3, at this time, the two side top plates 3 are located at outer ends and are far away, so that signal equipment is conveniently installed, when the stop levers 1 to 7 slide forwards and are separated from the lever frames 4 to 3, the side top plates 3 are driven to move inwards under the elastic force of the first spring to automatically abut against the equipment, and the screwing screw can fix the positions of the stop levers 1 to 7.
The working principle of the railway signal equipment protection device of the invention is as follows: when the device is used, inward thrust is given to the groove seat 5 and the triangular top block 5-2 under the elastic force action of the first spring, when a signal device on the U-shaped base 1 is inclined by large impact, the signal device can be contacted with the triangular top block 5-2 and outwards abut against the triangular top block 5-2, so that the first spring is compressed to buffer the impact force, and the signal device is protected. A higher square signal device or a signal device with an arc-shaped end face is placed flat, the center of the placed flat device can be lowered, the stability during installation is guaranteed, the placed flat device is pushed to two triangular bottom blocks 2, the top faces of the two triangular bottom blocks 2 are inclined, the signal device is conveniently pushed upwards, after the bottom face of the signal device is contacted with the bottom plate 2-2, a third motor 2-6 is started to drive a second gear 2-8 to rotate through a first gear 2-7, the second gear 2-8 drives the bottom plate 2-2 to rotate upwards through a rotating shaft 2-4, the bottom plate 2-2 drives a square or cylindrical signal device supported by the two triangular bottom blocks 2 to rotate upwards by 90 degrees to a vertical state, and a first motor 1-3 is started to drive the vertical signal device to move towards the center of the device through a first lead screw 1-2, the stable installation of higher signal equipment is realized, the process of manual work of higher or heavier signal equipment is saved, and square signal equipment can be installed, and column-type signal equipment can also be installed. The column rod 4-1 is provided with a right thrust under the action of the elastic force of the second spring, the column rod 4-1 enables the side top plate 3 to have a right thrust through the hinge arm 4, so that the two side top plates 3 can tightly abut against two ends of the signal equipment to support the left end and the right end of the signal equipment, when the signal equipment is impacted to incline, the signal equipment abuts against the side top plate 3 to compress the second spring, so that the impact force is buffered for the first time, when the signal equipment continuously inclines to be in contact with the triangular top block 5-2, the triangular top block 5-2 buffers the signal equipment for the second time, so that the signal equipment is protected to the maximum extent, the signal equipment is prevented from inclining and transiting to topple and damage, the two square rods 4-2 are pulled outwards to drive the two triangular top blocks 5-2 to move outwards, and the screwing screw screws abut against the square rods 4-2 to fix the positions of the triangular top blocks 5-2, the installation of the signal equipment is convenient; the side top plate 3 is rotatably connected with the hinged arm 4, so that when the signal equipment is inclined, the side top plate 3 is always attached to the surface of the signal equipment, the contact area is guaranteed to be unchanged, the stability is improved when the equipment is protected, and secondly, the side top plate 3 can be attached to the signal equipment on different inclined planes to protect the signal equipment. The double-output-shaft motor 3-1 is started to drive the two sliding blocks 3-3 to approach or separate from each other through the two second screw rods 3-2, the two sliding blocks 3-3 drive the two groove rods 3-6 to rotate through the deflector rod 3-5 respectively, the two groove rods 3-6 drive the two clamping plates 3-7 to rotate inwards or open outwards respectively, when the two clamping plates 3-7 rotate inwards to form a certain angle, the double-output-shaft motor can be used for fixing a signal device for clamping a column or a signal device for an arc-shaped end face, and the angle between the two clamping plates 3-7 is adjustable, so that the double-output-shaft motor is suitable for column devices with different diameters or radians; when the two clamping plates 3-7 are rotated outwards to be in the same horizontal plane with the side top plate 3, the surface area of the side top plate 3 is increased, so that the stressed area is increased when the side top plate 3 supports and protects square signal equipment, and the equipment is more stable. The electric push rod 6-5 is started to retract, the shaft lever 6-2 and the third gear 6-3 are driven to move leftwards through the linkage block 6-1, the third gear 6-3 is in meshed transmission connection with the rack 6-4 to drive the third gear 6-3 to rotate, the third gear 6-3 drives the shaft lever 6-2 to rotate, the shaft lever 6-2 drives the L-shaped frame 7-6 to rotate upwards, and the L-shaped frame 7-6 drives the front top seat 7 to move backwards while rotating upwards, so that the front end of the device is opened, and signal equipment is convenient to install; when the front top seat 7 needs to fall down, the electric push rod 6-5 is started to extend out to drive the front top seat 7 to move forwards and rotate downwards to the front end of the equipment so as to block the front end of the equipment. The middle part of the front top seat 7 is sunken inwards, so that the middle part of the front top seat 7 can be supported on the end face of an arc-shaped signal device, two ends of the front top seat 7 can be supported on a planar signal device, the front top seat 7 has inward thrust by a third spring, and when the device moves forwards after receiving impact, the third spring buffers the impact force; the fourth motor 7-5 is started to drive the groove block 7-3 to move up and down through the third screw rod 7-4, and the groove block 7-3 drives the front footstock 7 to move up and down, so that the equipment with different heights can be protected or the equipment can be jacked at different positions. When the first lead screw 1-2 rotates to drive the equipment to move backwards and abut against the rear top plate 8, the fourth spring gives inward thrust to the rear top plate 8 and abuts against the rear end face of the equipment, and when the equipment moves backwards under impact, the fourth spring buffers the impact force.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.