CN115045605B - Rail walking construction maintenance ladder car with brake equipment - Google Patents

Abstract

The invention provides a steel rail walking construction maintenance ladder vehicle with a brake device, which comprises an operation table, a connecting frame and nylon track wheels, wherein the front lower part of the operation table is rotationally provided with two connecting frames which are arranged in a bilateral symmetry mode, the lower sides of the connecting frames are provided with the nylon track wheels, the rear sides of the operation table are provided with rubber universal wheels, one sides, far away from each other, of the lower parts of the two connecting frames are respectively connected with a first fixed block, the middle part of the left first fixed block is in threaded connection with a threaded rod, the upper side of the threaded rod is connected with a hand wheel, the middle part of the right first fixed block is in sliding penetration with a guide rod, a clamping mechanism is arranged on the operation table, and a supporting mechanism is arranged between the operation table and the connecting frames. The folding bicycle can be folded and used, is convenient to carry, has a mechanism and a function of braking and stopping, and is not easy to displace.

Description

Rail walking construction maintenance ladder car with brake equipment

Technical Field

The invention relates to a ladder car, in particular to a steel rail walking construction maintenance ladder car with a brake device.

Background

The existing ladder car is an integral ladder car, is large in size, long and heavy in size, is inconvenient to transport, is easy to rust at a welded position, can leave potential safety hazards, is easy to break if rust removal and maintenance are not timely, and in addition, the ladder car brake device is a brake device specially applied to the ladder car.

For example, a railway tunnel sidewall construction ladder disclosed in patent publication number CN205591817U and publication date 20160921. Including base platform, cat ladder, ladder car upper portion support, lateral wall remove round and load-bearing platform, install the cat ladder on the base platform, cat ladder upper portion is connected with ladder car upper portion support, is equipped with load-bearing platform on the ladder car upper portion support to consolidate by the bracing and support, load-bearing platform the place ahead is connected with the lateral wall and removes the round, is equipped with rail fixed pipe on the load-bearing platform, is fixed with protection rail or cable laying special rail on the rail fixed pipe. The base platform can be used for placing material equipment such as a generator, an illuminating lamp, a cable hanger and the like. The railway tunnel side wall construction ladder car can be applied to the field of railway tunnel side wall construction, but cannot be conveniently carried and used, and does not have a mechanism and a function of braking, in the use process, the device is easy to displace, and unnecessary troubles are brought to maintenance personnel.

Disclosure of Invention

In order to overcome the defects that the prior art cannot be conveniently carried and used, and does not have a mechanism and a function of braking, the device is easy to displace in the use process, unnecessary trouble is brought to construction maintenance personnel, and the technical problem to be solved by the invention is to provide the rail walking construction maintenance ladder truck with the brake device, which is capable of being folded and used, is convenient to carry, has the mechanism and the function of braking and stopping, and is not easy to displace.

The technical scheme provided by the invention is as follows: the utility model provides a rail walking construction maintenance ladder car with brake equipment, includes operation panel, link, nylon rail wheel, and the rear side of operation panel is equipped with the rubber universal wheel, and the nylon rail wheel is installed to the downside of link, the preceding lower part rotation of operation panel is equipped with two link that are bilateral symmetry and set up, and one side that the lower part of two link kept away from each other all is connected with first fixed block, and the middle part threaded connection of left first fixed block has the threaded rod, and the upside of threaded rod is connected with the hand wheel, and the middle part slidingtype of right first fixed block runs through there is the guide arm, and the downside of guide arm is connected with the rubber rack that links to each other with the threaded rod rotation formula, be provided with on the operation panel and block the mechanism, be provided with supporting mechanism between operation panel and the link.

Preferably, the two connecting frames are uniformly and alternately connected with the supporting rods, the front part of the operating platform is also connected with one supporting rod, and the upper side of the operating platform is connected with the limiting frame.

Preferably, the clamping mechanism comprises a second fixing block, a first clamping block, a handle and an elastic piece, wherein the second fixing block is connected to the rear side of the upper part of the connecting frame, two first clamping blocks which are arranged in a bilateral symmetry mode and used for clamping the second fixing block are arranged on the inner side of the front lower part of the operating platform in a sliding mode, the first clamping blocks penetrate through the second fixing block in a sliding mode, the elastic piece is connected between the first clamping blocks and the operating platform, the elastic piece is a rubber spring, and the handle is connected to the upper part of the first clamping blocks.

Preferably, the supporting mechanism comprises a connecting shaft, a supporting frame and a sliding rod, wherein the connecting shafts are connected to the left side and the right side of the rear portion of the operating platform, the supporting frame is arranged at one end, away from each other, of each connecting shaft in a rotating mode, and the sliding rod used for clamping the supporting frame and penetrating through the supporting frame in a sliding mode is arranged at the lower portion of the connecting frame in a sliding mode.

Preferably, the automatic braking device further comprises a power mechanism for automatic braking, the power mechanism comprises an L-shaped sliding frame, a guide rod, a first diamond rod, a sliding sleeve, a second diamond rod and a space cam, the second diamond rod is connected to the upper side of the hand wheel, the guide rod is connected to the left side of the middle of the left connecting frame, the first diamond rod is arranged at the left end of the guide rod, the upper portion of the first diamond rod is in rotary fit with the guide rod through a cylinder, the sliding sleeve is sleeved between the first diamond rod and the second diamond rod, the space cam is connected to the upper side of the first diamond rod, the L-shaped sliding frame in sliding fit with the space cam is arranged behind the upper portion of the left connecting frame, and the first clamping block on the left is in contact fit with the L-shaped sliding frame.

Preferably, the fixing mechanism for fixing and supporting is further arranged, the fixing mechanism comprises a third fixing block, a second clamping block, a connecting rod and a rubber block, two third fixing blocks which are arranged in a bilateral symmetry mode are connected to the lower side of the rear portion of the operating platform, the connecting rod is rotatably arranged in the middle of the third fixing block, the rubber block for increasing friction force is connected to the front end of the connecting rod, and the second clamping block for clamping the connecting rod penetrates through the third fixing block and the connecting rod in a sliding mode.

Preferably, the protection mechanism for protecting an operator comprises a first connecting plate, clamping rods, a guard plate, torsion springs, fourth fixing blocks and third clamping blocks, wherein the guard plate is sleeved on the front upper portion of the limiting frame in a rotating mode, the torsion springs are connected between the guard plate and the limiting frame, the first connecting plate is arranged on the upper portion of the operating platform in a sliding mode, the clamping rods used for blocking the guard plate and contacting the guard plate are connected on the left side and the right side of the front portion of the first connecting plate, the fourth fixing blocks are sleeved on the front upper portion of the limiting frame in a sliding mode, and the third clamping blocks used for clamping the guard plate penetrate through the fourth fixing blocks in a sliding mode.

Preferably, the device further comprises a placing mechanism for placing articles, the placing mechanism comprises a fixing frame, a partition plate and a second connecting plate, the middle part of each limiting frame is connected with the fixing frame for placing the articles, six partition plates are uniformly clamped at the inner space of each fixing frame, and the second connecting plate is connected between the rear parts of the two limiting frames.

Preferably, the rubber frame comprises two rubber blocks and a connecting rod for connecting the two rubber blocks, the rubber block on the left side is connected below the threaded rod, and the rubber block on the right side is connected with the guide rod.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. the link is rotated to the direction that is close to the operation panel, and the link can drive all spare parts that are provided with on it and rotate to pack up this device this, make this device portable, can contact with tunnel track through rubber frame downwardly moving, with this increase frictional force, make nylon track wheel be in the brake state, avoid nylon track wheel to slide at will, thereby stabilize this device.

2. Through power unit's effect, automatic unblock link when canceling the brake, automatic brake when pinning the link improves the synchronism of this device, also can make these two kinds of operations go on separately simultaneously, has increased maneuverability.

3. The connecting rod is blocked by the second clamping block, so that the rubber block always contacts the wall surface of the tunnel, and the friction force and the supporting force are increased by the rubber block, so that the device is more stable.

4. When constructors climb to the operation table through the support rods to construct and maintain the tunnel, the guard plates can rotate around the constructors through torsion spring reset, and therefore the safety of the constructors is improved.

5. The tool is stored through the fixed frame, so that constructors can conveniently take the tool to construct and maintain the tunnel, and the tool is classified and separated through the partition plate, so that convenience is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the chucking mechanism of the present invention.

Fig. 3 is a schematic perspective view of a first part of the power mechanism of the present invention.

Fig. 4 is a schematic perspective view of a second portion of the power mechanism of the present invention.

Fig. 5 is a schematic perspective view of the supporting mechanism of the present invention.

Fig. 6 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 7 is a schematic perspective view of a protection mechanism of the present invention.

Fig. 8 is a schematic view of a part of the three-dimensional structure of the protection mechanism and the placement mechanism of the present invention.

Fig. 9 is a schematic partial perspective view of the protection mechanism of the present invention.

In the figure: the device comprises a 1-operation platform, a 2-connecting frame, a 3-nylon track wheel, a 4-first fixing block, a 41-guide rod, a 5-threaded rod, a 51-hand wheel, a 7-supporting rod, an 8-limiting frame, a 9-rubber universal wheel, a 10-clamping mechanism, a 101-second fixing block, a 102-first clamping block, a 103-handle, a 104-elastic piece, a 12-supporting mechanism, a 121-connecting shaft, a 122-supporting frame, a 123-sliding rod, a 6-rubber frame, a 11-power mechanism, a 111-L-shaped sliding frame, a 112-guiding rod, a 113-first diamond rod, a 114-sliding sleeve, a 115-second diamond rod, a 116-space cam, a 13-fixing mechanism, a 131-third fixing block, a 132-second clamping block, a 133-connecting rod, a 134-rubber block, a 14-protecting mechanism, a 141-first connecting plate, a 142-clamping rod, a 143-protecting plate, a 144-torsion spring, a 145-fourth fixing block, a 146-third clamping mechanism, a 15-placing mechanism, a 151-fixing frame, a 152-separating plate, and a 153-second connecting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements 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. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

The utility model provides a rail walking construction maintenance ladder truck with brake equipment, as shown in fig. 1-2, including operation panel 1, link 2, nylon rail wheel 3, first fixed block 4, guide arm 41, threaded rod 5, hand wheel 51, hold up pole 7, spacing 8, rubber universal wheel 9, block mechanism 10 and supporting mechanism 12, the front lower part rotation of operation panel 1 is equipped with two link 2 that are bilateral symmetry setting, nylon rail wheel 3 is installed through the mode of screwed connection to the downside of link 2, one side that the lower part of two link 2 kept away from each other all bolts first fixed block 4, the middle part of left side first fixed block 4 has threaded rod 5 through the mode threaded connection that runs through, the upper side welding of threaded rod 5 has hand wheel 51, the middle part sliding type of right side first fixed block 4 runs through guide arm 41, evenly spaced bolting has three hold up poles 7 between two link 2, the front portion of operation panel 1 also has one to hold up pole 7, the upper side welding of operation panel 1 has two to be bilateral symmetry setting up the mode setting down pole 8, the upper side of operation panel 1 has two to block mechanism 1 to block the side setting up with left side 1, the upper side of operation panel 1 is provided with two side 1 is used for setting up between the side 1 and is used for setting up the universal mechanism 2.

As shown in fig. 4, the clamping mechanism 10 includes a second fixing block 101, a first clamping block 102, a handle 103 and an elastic member 104, where the second fixing block 101 is bolted to the rear side of the upper portion of the connecting frame 2, two first clamping blocks 102 which are arranged in bilateral symmetry and are used for clamping the second fixing block 101 are slidably disposed on the inner side of the front lower portion of the operating platform 1, the first clamping blocks 102 slidably penetrate through the second fixing block 101, the elastic member 104 is connected between the first clamping blocks 102 and the operating platform 1, the elastic member 104 is a rubber spring, and the handle 103 is welded to the upper portion of the first clamping blocks 102.

As shown in fig. 5, the supporting mechanism 12 includes a connecting shaft 121, a supporting frame 122 and a sliding rod 123, the left and right sides of the rear portion of the operating platform 1 are respectively bolted with the connecting shaft 121, the two connecting shafts 121 are respectively rotatably provided with the supporting frame 122 at the end far away from each other, and the sliding rod 123 for clamping the supporting frame 122 and penetrating the supporting frame 122 is slidably provided at the lower portion of the connecting frame 2.

As shown in fig. 1-2, a rubber mount 6 is also included, and the underside of the guide bar 41 is bolted to the rubber mount 6 for friction increase and rotational connection with the threaded rod 5. The rubber frame 6 comprises two rubber blocks and a connecting rod for connecting the two rubber blocks, the rubber block on the left side is connected below the threaded rod 5, and the rubber block on the right side is connected with the guide rod 41.

An operator can apply the corresponding technical scheme in the device to the technology of maintaining the ladder car according to the actual condition, and the overall using method comprises the following steps: initially, the device is in an unfolding state, the sliding rod 123 clamps the supporting frame 122, the device is locked by the supporting frame 122, the lowest point of the rubber frame 6 is lower than the lowest point of the nylon track wheel 3, the nylon track wheel 3 is in a braking state by the rubber frame 6, when an operator needs to use the device, firstly, the operator needs to unlock the supporting frame 122 and then stow the device, namely, the operator moves the left sliding rod 123 and the right sliding rod 123 towards the direction approaching each other, the sliding rod 123 releases the supporting frame 122, after the sliding rod 123 releases the supporting frame 122, the operator rotates the supporting frame 122 towards the direction approaching the operating platform 1, so that the supporting frame 122 is unlocked and stowed below the operating platform 1, then the operator drives the threaded rod 5 to rotate by the hand wheel 51, the threaded rod 5 moves upwards along the first fixed block 4 and drives the rubber frame 6 to move upwards in the rotating process, in the process of upward movement of the rubber frame 6, the lowest point of the rubber frame 6 is gradually higher than the lowest point of the nylon track wheel 3, at this time, an operator drives the first clamping block 102 to move upward through the handle 103, the elastic piece 104 compresses, the first clamping block 102 is initially clamped on the second fixed block 101, the first clamping block 102 can separate from the second fixed block 101 in the upward movement process, when the first clamping block 102 separates from the second fixed block 101, the operator rotates the connecting frame 2 in the direction close to the operating table 1, the connecting frame 2 can drive all parts arranged on the connecting frame to rotate, so as to retract the device, the device is convenient to carry, then the operator transfers the device to a position in a tunnel where construction maintenance is needed, after the device transfer is completed, the operator reversely rotates the connecting frame 2 again, the connecting frame 2 drives all parts arranged on the connecting frame to reversely rotate, the operator releases the handle 103 again, the elastic piece 104 resets, the first clamping block 102 moves downwards under the action of the reset of the elastic piece 104 and is clamped back to the second fixing block 101 again, so as to clamp the connecting frame 2, the connecting frame 2 is prevented from being displaced, the device is unfolded, after the device is unfolded, the operator rotates the supporting frame 122 reversely, moves the left sliding rod 123 and the right sliding rod 123 in the directions far away from each other, the sliding rod 123 clamps the supporting frame 122 again, the device is locked, the operating platform 1, the connecting frame 2 and the supporting frame 122 at the moment are in a triangular state, so that the stability and the supporting strength of the device are improved, then the operator butts the nylon rail wheel 3 on a track in a tunnel, the rubber universal wheel 9 is contacted with the wall surface of the tunnel again, so that the device is in place, after the device is in place, the constructor climbs onto the operating platform 1 through the supporting rod 7, the construction maintenance can be carried out on the tunnel, the constructor supports the hand through the supporting rod 7, at this time, the operator supports the connecting frame 2, drives the threaded rod 5 to reversely rotate through the hand wheel 51, the threaded rod 5 can downwards move along the first fixed block 4 and drive the rubber frame 6 and the hand wheel 51 to downwards move in the reverse rotation process, the rubber frame 6 downwards moves to be contacted with the track in the tunnel, so as to increase the friction force, the nylon track wheel 3 is in a braking state, the universal wheel 3 is prevented from sliding randomly, thus stabilizing the device, when the construction maintenance position is required to be replaced by the operation, the operator can upwards move the rubber frame 6 to be separated from the track according to the operation, then pushes the connecting frame 2, the device can be assisted to move through the nylon track wheel 3 and the rubber universal wheel 9, so that the construction maintenance personnel can conveniently carry out construction maintenance on different positions on the tunnel, when construction and maintenance are carried out, the rubber frame 6 is downwards moved to be contacted with the track in the tunnel.

Example 2

On the basis of embodiment 1, as shown in fig. 1 and 3, the automatic braking device further comprises a power mechanism 11 for automatic braking, the power mechanism 11 comprises an L-shaped sliding frame 111, a guide rod 112, a first diamond rod 113, a sliding sleeve 114, a second diamond rod 115 and a space cam 116, the second diamond rod 115 is bolted to the upper side of the hand wheel 51, the guide rod 112 is bolted to the left side of the middle part of the left connecting frame 2, the first diamond rod 113 is arranged at the left end of the guide rod 112, the upper part of the first diamond rod 113 is in rotary fit with the guide rod 112 through a cylinder, the sliding sleeve 114 is sleeved between the first diamond rod 113 and the second diamond rod 115, the space cam 116 is bolted to the upper side of the first diamond rod 113, the L-shaped sliding frame 111 in sliding fit with the space cam 116 is in sliding mode arranged at the rear side of the upper part of the left connecting frame 2, and the first clamping block 102 on the left is in contact fit with the L-shaped sliding frame 111.

The rotation of the hand wheel 51 also drives the second diamond rod 115 to rotate, the upward movement of the hand wheel 51 also drives the second diamond rod 115 to move upwards, the rotation of the second diamond rod 115 drives the first diamond rod 113 to rotate through the sliding sleeve 114, the first diamond rod 113 drives the space cam 116 to rotate, the space cam 116 extrudes the L-shaped sliding frame 111 to move upwards, the L-shaped sliding frame 111 pushes the first clamping block 102 to move upwards, so that the first clamping block 102 is automatically separated from the second fixing block 101 while the braking is cancelled, the synchronism of the device is improved, when the first clamping block 102 is separated from the second fixing block 101, the second diamond rod 115 also moves upwards to be contacted with the first diamond rod 113, the second diamond rod 115 cannot move upwards continuously, then when the first clamping block 102 moves downwards, the first clamping block 102 pushes the L-shaped sliding frame 111 to move downwards, the L-shaped sliding frame 111 moves downwards to press the space cam 116 to rotate reversely, the space cam 116 drives the sliding sleeve 114 to rotate reversely through the first diamond-shaped rod 113, the sliding sleeve 114 drives the hand wheel 51 to rotate reversely through the second diamond-shaped rod 115, so that the threaded rod 5 drives the rubber frame 6 to move downwards, and the rubber frame 6 is automatically moved downwards to brake when the connecting frame 2 is clamped, when an operator only needs to shift a position for construction maintenance without retracting the device, the operator pulls the sliding sleeve 114 upwards, the sliding sleeve 114 is separated from the second diamond-shaped rod 115 to slide onto the first diamond-shaped rod 113 completely, then the operator rotates the hand wheel 51 again, the rotation of the second diamond-shaped rod 115 at the moment does not rotate the first diamond-shaped rod 113, so that the operation of controlling braking is separated from the operation of clamping the connecting frame 2, then the operator pulls the sliding sleeve 114 downwards again, the use of the present device is accomplished by telescoping the sliding sleeve 114 between the second diamond 115 and the first diamond 113.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 6, the device further comprises a fixing mechanism 13 for fixing and supporting, the fixing mechanism 13 comprises a third fixing block 131, a second clamping block 132, a connecting rod 133 and a rubber block 134, two third fixing blocks 131 which are arranged in a bilateral symmetry mode are bolted to the lower side of the rear portion of the operating platform 1, a connecting rod 133 is rotatably arranged in the middle of the third fixing block 131, a rubber block 134 for increasing friction force is bolted to the front end of the connecting rod 133, and a second clamping block 132 for clamping the connecting rod 133 is penetrated between the third fixing block 131 and the connecting rod 133 in a sliding mode.

Initially, the connecting rod 133 is blocked to the second fixture block 132, the rubber piece 134 is the state of packing up, when constructor is to the maintenance of being under construction of tunnel, the operator moves the second fixture block 132 of left and right sides to the direction that keeps away from each other, make second fixture block 132 loosen connecting rod 133, then the operator rotates connecting rod 133 downwards, connecting rod 133 can drive rubber piece 134 and rotate downwards, make rubber piece 134 contact the wall in tunnel, the operator moves the second fixture block 132 of left and right sides to the direction that is close to each other again, make second fixture block 132 support connecting rod 133, avoid connecting rod 133 counter-rotation, thereby make rubber piece 134 contact the wall in tunnel always, increase frictional force and holding power through rubber piece 134, thereby make this device more stable, the operator packs up rubber piece 134 according to above-mentioned operation again can.

Example 4

On the basis of embodiment 3, as shown in fig. 7-9, the protection mechanism 14 for protecting an operator is further included, the protection mechanism 14 includes a first connecting plate 141, a clamping rod 142, a guard plate 143, a torsion spring 144, a fourth fixing block 145 and a third clamping block 146, the guard plate 143 is rotatably sleeved at the front upper portion of the limiting frame 8, the torsion spring 144 is connected between the guard plate 143 and the limiting frame 8, the first connecting plate 141 is slidably arranged at the top of the operating platform 1, clamping rods 142 for blocking the guard plate 143 and contacting the guard plate 143 are respectively bolted at the left and right sides of the front portion of the first connecting plate 141, the fourth fixing block 145 is sleeved at the front upper portion of the limiting frame 8, and the third clamping block 146 for clamping the guard plate 143 is slidably penetrated on the fourth fixing block 145.

Initially, two clamping rods 142 are kept off the outsides of two left and right guard plates 143 respectively, torsion spring 144 is in deformation state, guard plates 143 are in a stowage state, constructor climbs to operation panel 1 through holding rod 7 and carries out construction maintenance on the tunnel, constructor steps on first connecting plate 141, first connecting plate 141 can drive clamping rod 142 to move downwards and loosen guard plates 143, torsion spring 144 resets, guard plates 143 can reversely rotate to the position right above holding rod 7 under the effect that torsion spring 144 resets, thereby make guard plates 143 surround constructor, the constructor moves third clamping block 146 downwards again, make third clamping block 146 clamp guard plates 143, thereby avoid guard plates 143 reversely rotate, thereby increasing the supporting point of constructor, and further increase the safety of constructor, after construction maintenance operation is completed, the constructor moves up third clamping block 146 to loosen guard plates 143, after third clamping block 146 loosens guard plates 143, the constructor reversely rotates guard plates 143 again, torsion spring 144 is reset, after the constructor descends from first connecting plate 141, the constructor pulls up first connecting block 141 upwards, the first connecting block 146 clamps up guard plates 142, thereby avoiding guard plates 143 to reversely rotate upwards, thereby increasing guard plates 143.

Example 5

On the basis of embodiment 4, as shown in fig. 1 and 7, the device further comprises a placing mechanism 15 for placing articles, the placing mechanism 15 comprises a fixed frame 151, a partition plate 152 and a second connecting plate 153, the middle part of each limiting frame 8 is bolted with the fixed frame 151 for placing articles, six partition plates 152 are uniformly clamped at intervals inside the fixed frame 151, and the second connecting plate 153 is bolted between the rear parts of the two limiting frames 8.

Construction maintainer places the operation instrument in fixed frame 151 to separate the instrument through baffle 152 to this increase convenience, and the operator upwards takes out baffle 152 from fixed frame 151 again, places on other positions in fixed frame 151 immediately, with this position between every baffle 152 of regulation, thereby carries out classification and places in a diversified way.

The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (7)

1. The utility model provides a rail walking construction maintenance ladder car with brake equipment, includes operation panel (1), link (2), nylon rail wheel (3), and the rear side of operation panel (1) is equipped with rubber universal wheel (9), nylon rail wheel (3), its characterized in that are installed to the downside of link (2): the front lower part of the operating platform (1) is rotationally provided with two connecting frames (2) which are arranged in a bilateral symmetry mode, one sides, away from each other, of the lower parts of the two connecting frames (2) are connected with first fixing blocks (4), the middle of each first fixing block (4) at the left is in threaded connection with a threaded rod (5), the upper side of each threaded rod (5) is connected with a hand wheel (51), the middle of each first fixing block (4) at the right is in sliding penetration with a guide rod (41), the lower side of each guide rod (41) is connected with a rubber frame (6) which is rotationally connected with each threaded rod (5), a clamping mechanism (10) is arranged on the operating platform (1), and a supporting mechanism (12) is arranged between the operating platform (1) and the connecting frames (2);

the ladder car further comprises a power mechanism (11), the power mechanism (11) comprises an L-shaped sliding frame (111), a guide rod (112), a first diamond-shaped rod (113), a sliding sleeve (114), a second diamond-shaped rod (115) and a space cam (116), the second diamond-shaped rod (115) is connected to the upper side of the hand wheel (51), the guide rod (112) is connected to the left side of the middle part of the left connecting frame (2), the first diamond-shaped rod (113) is arranged at the left end of the guide rod (112), the upper part of the first diamond-shaped rod (113) is in rotary fit with the guide rod (112) through a cylinder, a sliding sleeve (114) is sleeved between the first diamond-shaped rod (113) and the second diamond-shaped rod (115), the space cam (116) is connected to the upper side of the first diamond-shaped rod (113), and the L-shaped sliding frame (111) in sliding fit with the space cam (116) is arranged at the rear side of the upper part of the left connecting frame (2).

The ladder car further comprises a fixing mechanism (13), the fixing mechanism (13) comprises a third fixing block (131), a second clamping block (132), a connecting rod (133) and a rubber block (134), two third fixing blocks (131) are connected to the lower side of the rear portion of the operating platform (1), the connecting rod (133) is rotatably arranged in the middle of each third fixing block (131), the rubber block (134) is connected to the front end of each connecting rod (133), and the second clamping block (132) penetrates through the position between each third fixing block (131) and the corresponding connecting rod (133) in a sliding mode.

2. The rail transit construction maintenance ladder truck with a brake apparatus as claimed in claim 1, wherein: the two connecting frames (2) are uniformly connected with the supporting rods (7) at intervals, the front part of the operating table (1) is also connected with one supporting rod (7), and the upper side of the operating table (1) is connected with the limiting frame (8).

3. The rail transit construction maintenance ladder truck with a brake apparatus as claimed in claim 1, wherein: the clamping mechanism (10) comprises a second fixing block (101), a first clamping block (102), a handle (103) and an elastic piece (104), wherein the second fixing block (101) is connected to the rear side of the upper portion of the connecting frame (2), two first clamping blocks (102) are arranged on the inner side of the front lower portion of the operating platform (1) in a sliding mode, the first clamping blocks (102) penetrate through the second fixing block (101) in a sliding mode, the elastic piece (104) is connected between the first clamping blocks (102) and the operating platform (1), the handle (103) is connected to the upper portion of the first clamping blocks (102), and the first clamping blocks (102) on the left are in contact fit with the L-shaped sliding frame (111).

4. A rail transit construction repair kit with brake apparatus according to claim 3, wherein: supporting mechanism (12) are including connecting axle (121), support frame (122) and slide bar (123), and the rear portion left and right sides of operation panel (1) all is connected with connecting axle (121), and the one end that two connecting axles (121) kept away from each other all rotates and is equipped with support frame (122), and the lower part slidingtype of link (2) is equipped with slide bar (123), one end that the link was kept away from to slide bar (123) links to each other with support frame (122).

5. The rail transit construction maintenance ladder truck with a brake apparatus as claimed in claim 2, wherein: the ladder car further comprises a protection mechanism (14), the protection mechanism (14) comprises a first connecting plate (141), clamping rods (142), protection plates (143), torsion springs (144), fourth fixing blocks (145) and third clamping blocks (146), the protection plates (143) are sleeved on the front upper portion of the limiting frame (8) in a rotating mode, torsion springs (144) are connected between the protection plates (143) and the limiting frame (8), the first connecting plate (141) is arranged on the upper portion of the operating table (1) in a sliding mode, the clamping rods (142) are connected on the left side and the right side of the front portion of the first connecting plate (141), the fourth fixing blocks (145) are sleeved on the front upper portion of the limiting frame (8), and the third clamping blocks (146) are penetrated in a sliding mode on the fourth fixing blocks (145).

6. The rail transit construction maintenance ladder truck with a brake apparatus as claimed in claim 2, wherein: the ladder car further comprises a placement mechanism (15), the placement mechanism (15) comprises a fixed frame (151), a partition plate (152) and a second connecting plate (153), the middle part of each limiting frame (8) is connected with the fixed frame (151), the partition plate (152) is clamped inside the fixed frame (151), and the second connecting plate (153) is connected between the rear parts of the two limiting frames (8).

7. The rail transit construction maintenance ladder truck with a brake apparatus as claimed in claim 1, wherein: the rubber frame (6) comprises two rubber blocks and a connecting rod for connecting the two rubber blocks, the rubber block on the left side is connected below the threaded rod (5), and the rubber block on the right side is connected with the guide rod (41).

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