CN209717572U - A kind of TBU Manual spring pressing machine for brake unit maintenance - Google Patents

Abstract

The utility model belongs to railway transportation equipment technical field, and in particular to a kind of TBU Manual spring pressing machine for brake unit maintenance.Solving the problems, such as in the prior art manually can not be by the pressure mounting of the spring in guiding nut composition and pushing cylinder composition in place, it includes pedestal (1), fuselage (2) and rack gear (3), the shape of the fuselage is inverted L-shaped, the lower end of fuselage (2) is fixedly connected with pedestal (1), the front end of fuselage (2) is flexibly connected with rack gear (3), the rack gear (3) is vertically arranged, shaft (4) are provided on fuselage (2), one end of shaft (4) is fixedly connected with gear, the wheel and rack (3) is with engagement, the other end of shaft (4) is connected with rocking bar (5), rocking bar (5) is vertical with shaft (4).The utility model is easy to operate, safety labor-saving, the spring installation of TBU suitable for railway transportation equipment.

Description

A kind of TBU Manual spring pressing machine for brake unit maintenance

Technical field

The utility model belongs to railway transportation equipment technical field, and in particular to a kind of TBU for brake unit maintenance Manual spring pressing machine.

Background technique

Tread braking unit (abbreviation brake unit or TBU) is the important component of city railway vehicle brake rigging, Its repair quality directly influences the quality, service life and operational safety of brake unit braking ability.In order to guarantee to overhaul matter Amount should be required in strict accordance with service technique and quality standard executes.After brake unit overhaul, testing department copes with brake unit Quality is exercised supervision and is checked and accepted, and sampling observation is carried out in accordance with regulations by accepter, by " XFD type tread braking unit checking experiment specification " into Row testing stand is examined, and should fill in record of examination, examining report and the quality certification after the assay was approved, can warehousing finished products and entrucking make With.

In the prior art, the installation generally use of spring is manually installed in TBU maintenance, but as schemed in brake unit The elasticity of the spring of key number 410 and 48 in spring and the pushing cylinder shown in Fig. 4 composition of guiding nut group bonding number 52 shown in 5 Coefficient is excessively high, and corresponding position can not be pressed by causing manually to be pressed, so as to cause the guiding nut composition and pushing cylinder group in TBU At function cannot achieve.And manually press fitting is easy to cause safety accident there are security risk.

Utility model content

Aiming at the problems existing in the prior art, the utility model, which provides one kind, can be convenient operator to guiding nut The TBU Manual spring pressing machine that spring in composition and pushing cylinder composition is pressed, is time saving and energy saving, eliminated safe hidden trouble.

The technical solution adopted in the utility model is as follows:

A kind of TBU Manual spring pressing machine for brake unit maintenance, including pedestal, fuselage and rack gear, the fuselage Shape be inverted L-shaped, the lower end of fuselage is fixedly connected with pedestal, and the front end of fuselage is flexibly connected with rack gear, and the rack gear is vertical Setting, is provided with shaft on fuselage, and one end of shaft is fixedly connected with gear, the wheel and rack engagement, shaft it is another End is connected with rocking bar, and rocking bar is vertical with shaft.

After the technical solution, by pulling rocking bar, band carry-over bar is moved downward, and rack gear lower end forms guiding nut Or the spring-compressed in pushing cylinder composition, to solve and be unable to complete using manpower merely pressure mounting of the spring to fixed position It is the problem of TBU pressure mounting of the spring, time saving and energy saving.

Preferably, the rack gear lower end is provided with the pressure head inner hole of cone.

After the technical solution, by by the upper ends of press fitting components in cone pressure head inner hole in, Neng Goufang Only components move during press fitting, avoid spring pop-up from hurting sb.'s feelings, and the setting of pressure head inner hole is conical, can be suitable for Components press fitting of different sizes.

Preferably, the rocking bar is flexibly connected with shaft, and the both ends of rocking bar are provided with limited block.

After the technical solution, torque arm length and the direction of rocking bar can be adjusted, facilitates operator to use, Er Qieyao Bar both ends setting limited block can prevent rocking bar from skidding off from shaft.

Preferably, the cross section of the fuselage is L shape or T shape.

After the technical solution, in the case where the strength and stiffness of fuselage reduce seldom, material used in fuselage Greatly reduce, saves material, and weight greatly mitigates, and facilitates the movement of device.

Preferably, several through-holes are provided on the fuselage.

After the technical solution, material used in fuselage is further reduced, and weight further mitigates, and is moved easily.

Preferably, the base bottom quadrangle is provided with the identical protrusion of height.

After the technical solution, pedestal is easier to keep steady, and avoids having solid particle below pedestal and making device It shakes.

Preferably, the front fuselage is provided with several positioning bolt holes, the positioning bolt hole be located at rack gear just before It is square, positioning bolt is provided in the positioning bolt hole.

After the technical solution, by the spring-compressed in components in place after, screwed in place bolt, make positioning bolt with Rack gear is in close contact, and prevents rack gear from moving upwards under the elastic force effect of spring, operator is facilitated to install bullet on components Spring fixes device, prevents recoil of spring from hurting sb.'s feelings.

In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:

1. band carry-over bar moves downward by pulling rocking bar, rack gear lower end will be in guiding nut composition or pushing cylinder composition Spring-compressed, to solve by pressure mounting of the spring to fixed position and be unable to complete asking for TBU pressure mounting of the spring using manpower merely Topic, it is time saving and energy saving.

It 2. the pressure head inner hole of cone is arranged, can prevent components from moving during press fitting, avoid spring pop-up wound People, and the setting of pressure head inner hole is conical, can be suitable for components of different sizes and be pressed.

3. rocking bar is flexibly connected with shaft, the both ends of rocking bar are provided with limited block, can adjust rocking bar torque arm length and Direction facilitates operator to use, and rocking bar both ends setting limited block can prevent rocking bar from skidding off from shaft.

4. the cross section of fuselage is L shape or T shape, in the case where the strength and stiffness of fuselage reduce seldom, fuselage is made Material greatly reduces, and saves material, and weight greatly mitigates, and facilitates the movement of device.

5. several through-holes are arranged on fuselage, material used in fuselage is further reduced, and weight further mitigates, and facilitates shifting It is dynamic.

6. base bottom quadrangle is provided with the identical protrusion of height, pedestal is easier to keep steady, and avoids having below pedestal solid Body particle and so that device is shaken.

7. positioning bolt is arranged, prevents rack gear from moving upwards under the elastic force effect of spring, facilitate operator to zero Spring fitting device is installed on part, prevents recoil of spring from hurting sb.'s feelings.

Detailed description of the invention

The utility model will illustrate by example and with reference to the appended drawing, in which:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the structural schematic diagram of part A in Fig. 1；

Fig. 4 is the decomposition texture schematic diagram of pushing cylinder composition；

Fig. 5 is the decomposition texture schematic diagram of guiding nut composition.

Wherein, 1- pedestal, 2- fuselage, 3- rack gear, 4- shaft, 5- rocking bar, 6- limited block, 7- positioning bolt, 8- gear, 9- Through-hole, 10- pressure head inner hole.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way."upper", the "lower", " preceding " and " rear " referred in this specification Etc. the nouns of directionalities be used for the purpose of facilitating relative position between description technique feature, and should not be understood as to embodiment The restriction of specific set-up mode or usage mode.

It elaborates below with reference to Fig. 1, Fig. 2 to the utility model.

Embodiment one

A kind of TBU Manual spring pressing machine for brake unit maintenance, including pedestal 1, fuselage 2 and rack gear 3, the machine The shape of body is inverted L-shaped, and the lower end of fuselage 2 and pedestal 1 are welded to connect, and the front end of fuselage 2 is flexibly connected with rack gear 3, the tooth Item 3 is vertically arranged, and rack gear 3 can be up and down in fuselage 2, and bearing is provided on fuselage 2, shaft 4, shaft are provided in bearing 4 pass through fuselage 2, and one end of shaft 4 is welded and connected with gear 8, and the gear 8 is engaged with rack gear 3, the rotation band carry-over bar 3 of gear 8 It moves up and down, the other end of shaft 4 is connected with rocking bar 5, and rocking bar 5 passes through shaft 4 and orthogonal with shaft 4.Rotating rocker 5 Rotate shaft 4, shaft 4 is rotated with moving gear 8, and gear 8 moves downward zero that compression is located at 3 lower section of rack gear with carry-over bar 4 Part, so that the pressure mounting of the spring in components be made manually to be pressed TBU spring to position, realization is fixed.The rack gear lower end setting There is the pressure head inner hole 10 of cone.Setting can fix the top of compressed components in this way, and compression process is prevented to be hit by a bullet Spring pop-up is hurted sb.'s feelings, and pressure head inner hole 10 is set as the components that taper can be suitable for various sizes.The rocking bar 5 is slided with shaft Connection, facilitates adjusting torque arm length, the both ends of rocking bar 5, which are provided with limited block 6, prevents rocking bar 5 from skidding off from shaft 4.

Embodiment two

The present embodiment includes whole features of embodiment one, is with the difference place of embodiment one:

The cross section of the fuselage 2 is L shape or T shape.By mechanics principle it is found that the bending resistance of component, shearing strength and component Depth of section it is related, cross section is set as L shape or T shape, and depth of section is constant, and the mechanical property of component weakens very little, still The usage amount of material but greatly reduces, and has saved cost, and the weight of device mitigates significantly, is moved easily.

There are three circular through-holes 9 for the back setting of the fuselage 2, and installation weight further mitigates.

1 bottom four corners of pedestal are provided with the identical protrusion of height.

There are two positioning bolt hole, the positioning bolt hole is located at the front of rack gear 3, institute for 2 front end of the fuselage setting It states and is provided with positioning bolt 7 in positioning bolt hole.When components are press-fit into place by rack gear 3, need to pacify spring fitting device It is attached on components, needs one hand installation spring fitting device of operator at this time, one pulls rocking bar and prevents spring from returning Bullet, in this way operation are easy to cause safety accident there are security risk.After positioning bolt 7 is set, pressure mounting of the spring to fixed position When, fixing bolt 7 is tightened, fixing bolt 7 and rack gear is in close contact, prevents rack gear 3 from moving upwards under the action of the spring, this When operator can free hand to install spring fitting device, eliminate security risk.

Pedestal long 665mm, wide 242mm, the high 808mm of fuselage, rack gear length are 680mm, rack stroke 460mm, rack gear Cross dimension be 50mm × 50mm, the maximum gauge of pressure head inner hole is 12mm, the level at pressure head inner hole center to fuselage away from From for 226mm.

The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this The protection scope of application.

Claims (5)

1. a kind of TBU Manual spring pressing machine for brake unit maintenance, it is characterised in that: including pedestal (1), fuselage (2) Shape with rack gear (3), the fuselage is inverted L-shaped, and the lower end of fuselage (2) is fixedly connected with pedestal (1), the front end of fuselage (2) It is flexibly connected with rack gear (3), the rack gear (3) is vertically arranged, and is provided on fuselage (2) shaft (4), and one end of shaft (4) is solid Surely it is connected with gear (8), for the gear (8) with rack gear (3) with engaging, the other end of shaft (4) is connected with rocking bar (5), rocking bar (5) vertical with shaft (4), rack gear (3) lower end is provided with the pressure head inner hole (10) of cone, the rocking bar (5) and shaft It is flexibly connected, the both ends of rocking bar (5) are provided with limited block (6).

2. a kind of TBU Manual spring pressing machine for brake unit maintenance as described in claim 1, which is characterized in that institute The cross section for stating fuselage (2) is L shape or T shape.

3. a kind of TBU Manual spring pressing machine for brake unit maintenance as described in claim 1, which is characterized in that institute It states and is provided with several through-holes (9) on fuselage (2).

4. a kind of TBU Manual spring pressing machine for brake unit maintenance as described in claim 1, which is characterized in that institute It states pedestal (1) bottom four corners and is provided with the identical protrusion of height.

5. a kind of TBU Manual spring pressing machine for brake unit maintenance as described in claim 1, which is characterized in that institute It states fuselage (2) front end and is provided with several positioning bolt holes, the positioning bolt hole is located at the front of rack gear (3), the positioning Positioning bolt (7) are provided in bolt hole.