CN210997384U

CN210997384U - Four-column press for quickly mounting spring brake box

Info

Publication number: CN210997384U
Application number: CN201922071348.0U
Authority: CN
Inventors: 董华
Original assignee: Beijing Netzsch Machinery Technology Co ltd
Current assignee: Beijing Netzsch Machinery Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-14
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a four-column press for quickly installing a spring brake box, which has the technical scheme that the press comprises a frame and a hydraulic cylinder, wherein the frame comprises a bottom plate, guide rods which are fixedly connected at four corners of the bottom plate and extend upwards vertically, and a top plate which is supported at the tops of the four guide rods; the bottom end of the sliding plate is provided with a pressure head assembly, the pressure head assembly comprises an upper die connecting ring, an upper die end plate and an upper die positioning block, the upper die positioning block is cylindrical, the upper die end plate is provided with a abdicating groove, when the pressure head assembly presses and holds the box cover, the upper die positioning block is inserted into the step groove of the box cover, the upper die end plate is abutted against the convex edge of the box cover, and the abdicating groove is supported on a limiting plate of the box cover; the bottom plate is provided with a positioning boss which is matched with the positioning groove at the bottom end of the box body. The utility model has the advantages that can improve work efficiency, alleviate workman's work burden, the job schedule is secure.

Description

Four-column press for quickly mounting spring brake box

Technical Field

The utility model belongs to the technical field of locomotive braking equipment's technique and specifically relates to a four-column press for installing spring brake case fast is related to.

Background

Referring to fig. 4 and 5, the spring 8 brake box is an important component of a locomotive brake system, and structurally comprises a box body 6 and a box cover 7, wherein a spring 8 is vertically arranged in the box body 6, the length of the spring 8 in a free state is greater than the height of the box body 6, a clamping groove 81 is formed in the inner peripheral wall of the top of the box body 6, a rib 74 is formed on the outer peripheral wall of the bottom of the box cover 7, and a positioning groove 61 for fixing the box body 6 is formed at the bottom end of the box body 6. During installation, the box cover 7 is placed on the spring 8, the spring 8 is compressed, so that the flange 74 of the box cover 7 is lower than the clamping groove 81 of the box body 6, the clamping spring 82 is arranged in the clamping groove 81 of the box body 6, and the flange 74 is limited from the upper side through the clamping spring 82, so that the box cover 7 is prevented from being popped out of the box body 6 by the spring 8.

Referring to fig. 4 and 6, after the brake box of the spring 8 is installed, the box cover 7 needs to be assembled with other parts in the brake system, so that a step groove 71 is further vertically and downwardly formed on the box cover 7, convex ribs 72 are formed around the step groove 71, and a limit plate 73 higher than the convex ribs 72 is fixedly connected to the outer side of the convex rib 72 on one side.

The conventional mounting method requires the use of a jack, whose ram is pressed against the lid 7, by continuing the manual rotation of the rocker of the jack, so that the spring 8 is progressively compressed until the level of the stop 74 of the lid 7 is lower than the level of the notch 81 in the box 6. The spring 8 brake boxes are usually installed in a workshop in batches, the installation method wastes time and labor, the physical expenditure of workers is large, the quick installation of the spring 8 brake boxes is not facilitated, and the work progress is slowed down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four-column type press for installing spring brake case fast, its advantage can improve work efficiency, alleviate workman's work burden, and the job schedule is secure.

The above technical purpose of the present invention can be achieved by the following technical solutions: a four-column press for quickly mounting a spring brake box comprises a rack and a hydraulic cylinder fixedly mounted on the rack, wherein the rack comprises a bottom plate, guide rods which are fixedly connected to four corners of the bottom plate and extend vertically upwards, and a top plate supported at the tops of the four guide rods; the bottom end of the sliding plate is provided with a pressure head assembly, the pressure head assembly comprises an upper die connecting ring, an upper die end plate and an upper die positioning block which are sequentially connected from top to bottom, the upper die positioning block is cylindrical, the upper die end plate is provided with a abdicating groove, when the pressure head assembly presses and holds the box cover, the upper die positioning block is inserted into a step groove of the box cover, the upper die end plate is abutted against a convex edge of the box cover, and the abdicating groove is supported on a limiting plate of the box cover; the bottom plate is provided with a positioning boss, and the positioning boss is matched with the positioning groove at the bottom end of the box body.

Through adopting above-mentioned technical scheme, be provided with the location boss on the bottom plate of frame, the box is fixed on the location boss through the positioning groove on self, then adorn the box with the spring in, place the case lid on the spring again, set up the groove of stepping down on the last mold end plate of pressure head subassembly, drive the pressure head subassembly downstream through the pneumatic cylinder, the last mold locating piece of pressure head subassembly can insert the step inslot on the case lid, and limiting plate on the case lid can insert the inslot of stepping down of last mold end plate, the lower plate face of going up the mold end plate is pressed and is held on the protruding stupefied of case lid, continue to drive the pressure head subassembly downstream through the pneumatic cylinder, thereby make the pressure head subassembly can hold the steady pressure of spring in the box, then can be comparatively convenient, it is fixed to quick clamp the case lid, the work burden that has also alleviateed the.

The utility model discloses further set up to: the both sides that the frame is relative all are provided with locating component, locating component includes first connecting rod, perpendicular rigid coupling of horizontal rigid coupling between two guide bars of frame homonymy and the second connecting rod that extends and fixed mounting deviate from first connecting rod end at the middle part of first connecting rod and towards the frame in the level locating plate that deviates from first connecting rod end at the second connecting rod, first connecting rod is the same with the length of spring under free state apart from the bottom plate, the inboard of locating plate has the arcwall face with the outer edge looks adaptation of box flange, works as when the case lid was placed on the spring, the locating plate supported on the outer edge of case lid flange from both sides.

Through adopting above-mentioned technical scheme, first connecting rod is the same apart from the height of bottom plate and the length of spring under free state, and when the spring was placed to the case lid, the case lid was located between two locating plates, and the arcwall face of two locating plates can be followed both sides and contradicted on the outer edge of case lid flange, plays certain supporting effect to the case lid.

The utility model discloses further set up to: the upper surface of locating plate and the upper surface of case lid flange all are provided with the mark line, and when the mark line on the locating plate aligns with the mark line on the case lid flange, it is just right to let the groove limiting plate on the case lid.

Through adopting above-mentioned technical scheme, place the case lid on the spring, then rotate the case lid, make the mark line on the case lid align with the mark line on the flange, like this, at the in-process that the pressure head subassembly pushed down, limiting plate on the case lid can the disect insertion to the groove of stepping down on the pressure head subassembly, and need not artificial back and forth rotation case lid adjustment limiting plate's position, practiced thrift the assemble duration.

The utility model discloses further set up to: the marking lines are pre-engraved on the positioning plate and the baffle edges of the box cover by adopting a dye-proof marker pen.

Through adopting above-mentioned technical scheme, adopt in advance to prevent dyeing marker pen to carve the marking line on the flange of locating plate and case lid, when the marking line was aligned on ensureing on the marking line on the locating plate and the flange, the limiting plate on the case lid can be inserted the groove of stepping down on the pressure head subassembly to can reduce the assemble duration, and prevent dyeing marker pen to carve the marking line acid and alkali-resistance, high temperature resistant, be difficult for being smeared easily in the use.

The utility model discloses further set up to: and a piston rod, an upper die connecting ring, an upper die end plate, an upper die positioning block and a positioning boss of the hydraulic cylinder are positioned on the same vertical axis.

Through adopting above-mentioned technical scheme, can reduce in compression process and lead to the case lid to take place the condition of slope because of the spring atress is uneven, guarantee going on more steadily of whole compression process.

The utility model discloses further set up to: the vertical height of the positioning plate is 8-10 cm.

Through adopting above-mentioned technical scheme, the initial stage of pressure head subassembly at the push-down case lid, the locating plate can also play the guide effect to the case lid, makes the vertical downward compression spring of case lid.

The utility model discloses further set up to: and a reinforcing rib is arranged between the second connecting rod and the positioning plate.

Through adopting above-mentioned technical scheme, the strengthening rib can make be connected more firmly between second connecting rod and the locating plate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the hydraulic cylinder is arranged on the rack and drives the pressure head assembly to move, the upper die positioning block on the pressure head assembly can be inserted into the step groove on the box cover, the limiting plate on the box cover can be inserted into the abdicating groove of the upper die end plate, and the lower plate surface of the upper die end plate can be pressed on the convex ridge of the box cover, so that the pressure head assembly can stably press and hold the box cover, the spring can be rapidly compressed in the box body, a worker can conveniently clamp and fix the box cover, and the labor burden of the worker is reduced;

2. the positioning plates are arranged on the two sides in the rack, the mark lines are carved on the flanges of the positioning plates and the box cover, when the box cover is rotated to enable the mark lines on the positioning plates to be aligned with the mark lines on the flanges, the pressing head assembly is pressed downwards, the upper die positioning block can be inserted into the step groove on the box cover, the limiting plate on the box cover can be inserted into the abdicating groove of the upper die end plate, the box cover does not need to be manually adjusted, the assembly time is shortened, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a schematic view for showing the alignment of the cover and the mark lines on the positioning plate.

Fig. 4 is a schematic view of the overall structure of the spring brake case.

Fig. 5 is an exploded view of the spring brake housing.

Fig. 6 is a cross-sectional view of the spring brake housing.

In the figure, 1, a frame; 11. a base plate; 12. a top plate; 13. a slide plate; 14. a guide bar; 15. a guide sleeve; 16. positioning the boss; 2. a hydraulic cylinder; 3. a ram assembly; 31. an upper die connecting ring; 32. an upper die end plate; 33. an upper die positioning block; 34. a yielding groove; 4. a positioning assembly; 41. positioning a plate; 42. a first link; 43. a second link; 44. an arc-shaped surface; 45. reinforcing ribs; 5. marking a line; 6. a box body; 61. a positioning groove; 7. a box cover; 71. a step groove; 72. convex edges; 73. a limiting plate; 74. blocking edges; 8. a spring; 81. a card slot; 82. and a clamp spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a four-column press for installing spring brake box fast, including frame 1, frame 1 includes bottom plate 11 and roof 12 again, and four angles of roof 12 pass through guide bar 14 fixed support on bottom plate 11. A sliding plate 13 is horizontally arranged below the top plate 12, and the sliding plate 13 is connected between the four guide rods 14 in a sliding manner through a guide sleeve 15; a hydraulic cylinder 2 is vertically arranged above the top plate 12, and a piston rod 21 of the hydraulic cylinder 2 penetrates downwards the top plate 12 and then is fixedly connected with the sliding plate 13 so as to drive the sliding plate 13 to slide up and down along the vertical direction.

Referring to fig. 1 and 2, a pressure head assembly 3 is fixedly disposed below the sliding plate 13, and the pressure head assembly 3 includes an upper mold connecting ring 31, an upper mold end plate 32 and an upper mold positioning block 33, wherein the upper mold connecting ring 31 is fixedly mounted at the bottom of the sliding plate 13 through a flange, and the upper mold positioning block 33 is fixedly connected to an end of the upper mold connecting ring 31 through the upper mold end plate 32. The middle of the bottom plate 11 is fixedly provided with a positioning boss 16 higher than the surface of the bottom plate 11, the positioning boss 16 can be matched with the positioning groove 61 at the bottom of the box body 6, the box body 6 is placed on the positioning boss 16 in the installation process, then the pressure head assembly 3 is driven to move downwards through the hydraulic cylinder 2, so that the box cover 7 gradually compresses the spring 8 into the box body 6, and a worker can conveniently clamp and fix the box cover 7 by means of the clamp spring 82.

Referring to fig. 2, specifically, the upper mold end plate 32 and the upper mold positioning block 33 are both cylindrical, the diameter of the upper mold end plate 32 is larger than that of the upper mold positioning block 33, one side of the bottom of the upper mold end plate 32 is provided with a step groove 34 for inserting the limiting plate 73, when the pressure head assembly 3 abuts against the case cover 7, the upper mold positioning block 33 can be inserted into the step groove 71 of the case cover 7, the upper mold end plate 32 can abut against the convex ridge 72 of the case cover 7, the limiting plate 73 of the case cover 7 can be inserted into the step groove 34 of the upper mold end plate 32, and therefore the pressure head assembly 3 can push the case cover 7 to move stably. It should be noted that the piston rod 21 of the hydraulic cylinder 2, the upper die connecting ring 31, the upper die end plate 32, the upper die positioning block 33 and the positioning boss 16 on the bottom plate 11 are ensured to be on the same vertical axis.

Referring to fig. 1 and 3, in consideration of the fact that the spring 8 may be unbalanced in stress and cause the case cover 7 to be inclined in the process of compressing the spring 8, positioning assemblies 4 are further disposed on two opposite sides of the frame 1, each positioning assembly 4 includes a positioning plate 41, a first connecting rod 42, and a second connecting rod 43, wherein, the first connecting rod 42 is horizontally fixed between two guiding rods on the same side of the frame 1, the second connecting rod 43 is vertically fixed in the middle of the first connecting rod 42 and horizontally extends towards the inside of the frame 1, the positioning plate 41 is fixed at the end of the second connecting rod 43 opposite to the first connecting rod 42, the inner side of the positioning plate 41 is provided with an arc surface 44 matched with the outer edge of the flange 74 of the box body 6, when the spring 8 is in a free state, the top end of the positioning plate is located between the two positioning plates 41, and when the box cover 7 is placed on the spring 8, the two positioning plates 41 can abut against the outer edges of the ribs 74 of the box cover 7 from two sides to ensure that the box cover 7 is in a horizontal state.

The vertical height of the positioning plate 41 can be within a range of 8-10cm, so that when the pressure head assembly 3 pushes the case cover 7 downwards, the two limiting plates 73 can play a certain guiding role on the case cover 7.

Referring to fig. 3, reinforcing ribs 45 are disposed between the bottom and both sides of the second connecting rod 43 and the positioning plate 41, and the reinforcing ribs 45 can improve the connection stability between the second connecting rod 43 and the positioning plate 41, thereby facilitating long-term use.

Referring to fig. 1 and 3, in order to enable the limit plate 73 on the box cover 7 to be quickly aligned with the receding groove 34 on the upper end plate 32, a mark line 5 may be previously engraved on the upper surface of the locating plate 41 and the upper surface of the rib 74 of the box cover 7 by using a dye-proof marker pen, after the mark line 5 on the locating plate 41 is aligned with the mark line 5 on the rib 74 of the box cover 7, the projection of the receding groove 34 in the vertical direction falls on the limit plate 73 of the box cover 7, and the box cover 7 does not need to be manually rotated back and forth, so that the limit plate 73 is aligned with the receding groove 34, and the work efficiency is further improved, and the mark line 5 engraved by the dye-proof marker pen can be acid-resistant and high-temperature resistant, and is not easily smeared in the assembling process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a four column type presses for installing spring brake case fast, includes frame (1) and fixed mounting pneumatic cylinder (2) in frame (1), its characterized in that: the rack (1) comprises a bottom plate (11), guide rods (14) which are fixedly connected to four corners of the bottom plate (11) and extend vertically upwards, and a top plate (12) supported at the tops of the four guide rods (14), wherein a sliding plate (13) is arranged below the top plate (12), and a piston rod of the hydraulic cylinder (2) vertically penetrates through the top plate (12) downwards and then is fixedly connected to the sliding plate (13);

the bottom end of the sliding plate (13) is provided with a pressure head assembly (3), the pressure head assembly (3) comprises an upper die connecting ring (31), an upper die end plate (32) and an upper die positioning block (33) which are sequentially connected from top to bottom, the upper die positioning block (33) is cylindrical, the upper die end plate (32) is provided with a abdicating groove (34), when the pressure head assembly (3) presses the box cover (7), the upper die positioning block (33) is inserted into a step groove (71) of the box cover (7), the upper die end plate (32) abuts against a convex edge (72) of the box cover (7), and the abdicating groove (34) is supported on a limiting plate (73) of the box cover (7);

the bottom plate (11) is provided with a positioning boss (16), and the positioning boss (16) is matched with a positioning groove (61) at the bottom end of the box body (6).

2. The four-column press for quick installation of spring brake boxes according to claim 1, characterized in that: frame (1) relative both sides all are provided with locating component (4), locating component (4) include first connecting rod (42) of horizontal rigid coupling between two guide bar (14) of frame (1) homonymy, perpendicular rigid coupling at the middle part of first connecting rod (42) and towards frame (1) in second connecting rod (43) horizontal extension and fixed mounting deviate from locating plate (41) of first connecting rod (42) end at second connecting rod (43), first connecting rod (42) are the same with spring (8) length under free state apart from the height of bottom plate (11), the inboard of locating plate (41) has arcwall face (44) with the outer edge looks adaptation of box (6) flange (74), works as when case lid (7) are placed on spring (8), locating plate (41) are supported on the outer edge of case lid (7) flange (74) from both sides.

3. The four-column press for quick installation of spring brake boxes according to claim 2, characterized in that: the upper surface of locating plate (41) and the upper surface of case lid (7) flange (74) all are provided with mark line (5), and when mark line (5) on locating plate (41) and case lid (7) flange (74) were aligned, it is just right to let groove (34) limiting plate (73) on case lid (7).

4. The four-column press for quick installation of spring brake boxes according to claim 3, characterized in that: the marking lines (5) are pre-engraved on the positioning plate (41) and the flanges (74) of the box cover (7) by adopting a dye-proof marker.

5. The four-column press for quick installation of spring brake boxes according to claim 1, characterized in that: and a piston rod of the hydraulic cylinder (2), an upper die connecting ring (31), an upper die end plate (32), an upper die positioning block (33) and a positioning boss (16) are positioned on the same vertical axis.

6. The four-column press for quick installation of spring brake boxes according to claim 2, characterized in that: the vertical height of the positioning plate (41) is 8-10 cm.

7. The four-column press for quick installation of spring brake boxes according to claim 2, characterized in that: and a reinforcing rib (45) is arranged between the second connecting rod (43) and the positioning plate (41).